Bloom Greens
Bloom Greens & Superfoods · Mari Llewellyn · Nestlé Health Science
Evidence grade 1 of 5, Untested. Read how the Atlas grades evidence.
There is no published randomized controlled trial on the Bloom Greens & Superfoods formula as sold. The company lists no clinical study on its own product to support its marketing, and Truth in Advertising noted this absence in 2023. All supportive claims trace to the individual ingredients studied elsewhere, usually at doses far above what Bloom's proprietary blends appear to deliver. The adaptogenic blend, for example, is disclosed at 100 mg total across six herbs, while rhodiola alone is typically studied at 200 to 600 mg. Evidence for the finished product sits at anecdotal and marketing level, so the grade is 1. Individual constituents such as fiber, spirulina, and probiotics carry their own separate evidence, but the powder as formulated has not been tested as a unit.
- FDA
- Legal supplement (DSHEA)
- WADA
- Not prohibited
Reference only. Not medical advice.
What can go wrong
Low acute risk for healthy adults, but real concerns around hidden doses, adaptogens unsuitable in pregnancy, and category-wide heavy-metal contamination.
Bloom Greens & Superfoods is a single-brand daily greens powder founded in 2019 by fitness influencer Mari Llewellyn and Gregory LaVecchia, and it became one of the most visible products of the TikTok wellness economy, with over a billion views on #bloompartner creator posts. It is flavored, mass-market priced against AG1, and widely stocked at Target, Walmart, and CVS. The honest headline is that no published trial tests this formula, its active ingredients sit inside proprietary blends whose per-ingredient doses are mostly hidden, and several disclosed doses land below what the referenced research used. Every wellness benefit repeated online is Bloom's own marketing claim, not an independently confirmed result. Ownership note: the brand is majority independent, with Nutrabolt as a large minority investor; it has not been acquired by Nestlé, a claim that appears in some secondhand summaries but is not supported by the financing record.
The viral TikTok answer to AG1, accessibly priced, flavored, mass-market retail.
What people take it for
These are the reasons people give for taking it. They are not effects it has been shown to have.
How it is supposed to work
Bloom Greens & Superfoods is the flagship daily greens and superfood powder from Bloom Nutrition, the direct-to-consumer supplement brand founded by fitness influencer Mari Llewellyn in 2019. The product is positioned as a multi-ingredient daily wellness powder combining greens (spirulina, chlorella, wheatgrass, barley grass, alfalfa), antioxidants (acai, blueberry, raspberry, pomegranate, goji berry extracts), digestive enzymes (amylase, protease, lipase, cellulase, lactase), probiotics (typically Lactobacillus and Bifidobacterium blends at 1-2 billion CFU), prebiotics (inulin from chicory root), and various adaptogens and herbs depending on formulation. The ingredient count is substantially smaller than AG1 (typically 30+ vs 75+ ingredients), and the formulation reflects different commercial positioning, Bloom emphasizes palatability, flavor variety, and aggressive pricing rather than maximalist ingredient density. The pharmacological mechanism, like AG1, is fundamentally a multi-ingredient nutritional intervention rather than a single-pharmacology product. The "mechanism" is the cumulative effect of modest doses of many constituents, none individually at therapeutic single-supplement doses, but together providing modest nutritional coverage. The greens components contribute chlorophyll, modest vitamin and mineral content, and various phytonutrients; the antioxidant fruit blend contributes anthocyanins and polyphenols at modest doses; the digestive enzyme blend may provide digestive support for some users; the probiotic blend at 1-2 billion CFU per serving is substantially below the dose ranges of dedicated probiotic products (Seed DS-01 provides 53.6 billion AFU; Visbiome provides 450 billion CFU). The prebiotic inulin contribution at typical Bloom dose (~2-3g per serving) provides modest fiber support but substantially less than therapeutic prebiotic dosing (typically 5-10g daily). Cumulatively the mechanism provides modest nutritional supplementation comparable to a modest multivitamin plus fiber plus modest probiotic, substantively different from but mechanistically overlapping with the AG1 framework at substantially different price point. The Bloom commercial framework is among the cleanest M-03 Brand-framing examples in modern DTC supplementation. **Mari Llewellyn founder framework**, Mari (born Mari Fitness on social media) built substantial Instagram and YouTube fitness influencer presence through her personal weight loss transformation, body building content, and authentic Direct-to-consumer engagement. The Bloom brand launched 2019 leveraging this audience; the founder-brand integration is substantial and substantive, Mari's personal brand and Bloom commercial positioning are essentially inseparable. The substantial influencer marketing ecosystem (TikTok particularly, Instagram, YouTube) drove substantial early growth distinct from traditional supplement company marketing. The aggressive pricing positioning (~$30 per 30-serving container versus AG1's ~$99) was foundational to the brand's rapid growth, explicit "AG1 alternative" positioning in much of the influencer ecosystem. The substantial Target retail expansion (Bloom entered Target shelves around 2022-2023) marked the brand's transition from DTC-only to mass-retail hybrid, substantial channel growth that distinguishes Bloom from purely DTC competitors. The substantial flavor variety (Original, Berry, Citrus Kick, Mango, Pina Colada, Strawberry Kiwi, others) reflects the consumer-experience emphasis distinct from AG1's more clinical positioning.
How it is taken
Standard Bloom Greens & Superfoods supplementation is 1 scoop (~7-8g) daily mixed in water or beverage. The dose-finding framework reflects general multi-ingredient supplementation rather than specific single-pharmacology dose calibration, there is no clinical trial framework establishing optimal Bloom dose for specific outcomes. Take with or without food, the formulation is generally well-tolerated either way. Distribute across morning routine for convenience integration; many users prepare Bloom alongside coffee or morning routine to support compliance. The substantial flavor variety (Original, Berry, Citrus Kick, Mango, Pina Colada, Strawberry Kiwi, others) reflects the consumer-experience emphasis; flavor selection is primarily preference-driven. The substantial price differential versus AG1 (~$30 Bloom vs ~$99 AG1 for 30 servings) reflects substantial ingredient density, testing investment, and brand positioning differences, not necessarily proportional clinical effect differences. The dose-effect relationship across multi-ingredient greens powders is fundamentally limited by the modest doses of individual ingredients, none individually at therapeutic single-supplement ranges. Substantial single-supplement targeted intervention (vitamin D, B12, magnesium, omega-3, dedicated probiotic, dedicated prebiotic fiber) generally provides more clinical effect per dollar than multi-ingredient greens powders. The reasonable Bloom positioning is convenience-focused daily nutrition supplementation alongside dietary improvement, not substitute for targeted clinical nutrition interventions. The substantial Target and Walmart retail expansion (2022-2024) provides physical retail access for users preferring non-subscription purchase; the DTC subscription model provides convenience for users preferring monthly delivery. The drug interaction profile is fundamentally about individual ingredient interactions rather than Bloom-specific pharmacology, the digestive enzymes, modest probiotic content, modest greens content, and modest antioxidant content have individual interaction profiles that aggregate into modest combined interaction framework. Pregnancy and lactation: multi-ingredient supplements lack pregnancy-specific safety verification; standard prenatal vitamin coordination preferred. Pediatric use: not appropriate for adult formulation. Users with WADA anti-doping testing exposure should verify NSF Certified for Sport status before use.
- Standard supplementation
- 1 scoop (~7-8g) daily
- Servings per container
- 30
- Bloom typical pricing
- ~$30 per 30-serving container
- AG1 comparison pricing
- ~$99 per 30-serving container
- Ingredient count
- ~30+ ingredients
- AG1 ingredient comparison
- ~75+ ingredients
- Probiotic CFU content
- ~1-2 billion CFU per serving
- Therapeutic probiotic comparison
- 10+ billion CFU typical
Which form to buy
Not all preparations of the same ingredient are the same thing, and the trials were run on particular ones.
Bloom Greens & Superfoods Original (Original Flavor)
The flagship Bloom Greens & Superfoods powder, neutral original flavor. Approximately 30+ ingredients across greens, antioxidants, digestive enzymes, probiotics, prebiotics, and adaptogens. 30 servings per container. Substantial Target and DTC distribution. The reasonable choice for users seeking AG1-alternative positioning at substantially lower price point.
Bloom Greens & Superfoods Berry / Fruit Flavors
Substantial flavor variety (Berry, Mango, Strawberry Kiwi, Pina Colada, Citrus Kick) reflecting consumer-experience emphasis. Same base formulation as Original with flavor variation. Reasonable for users prioritizing palatability over neutral flavor. Sweetener content varies by flavor.
Bloom Magnesium-Plus Combinations
Bloom has expanded into additional supplement categories including magnesium (Magnesium Plus formulations). Combination products extending the brand framework. Verify individual ingredient doses; ensure clinical applications are appropriate.
Bloom Pre-Workout / Whey Protein Lines
Bloom has substantially expanded into pre-workout and whey protein categories under the same brand framework. Distinct products from the Greens & Superfoods flagship; subject to standard supplement quality verification considerations.
Bloom Subscription Direct-to-Consumer
DTC subscription model providing monthly delivery with subscription discount. Direct relationship with brand. The substantial DTC infrastructure was foundational to the brand growth before Target retail expansion. Subscription convenience considerations.
Target / Walmart Retail Distribution
Mass retail availability through Target, Walmart, and other major retailers (substantially expanded 2022-2024). Substantial channel growth distinguishing Bloom from purely DTC competitors. Provides physical retail access for users preferring non-subscription purchase.
Generic / Knockoff Greens Powders
Various generic and knockoff greens powders attempt to replicate Bloom positioning at even lower prices. Substantial quality variation; verify reputable manufacturer with quality verification. Not pharmacologically equivalent to Bloom brand-specific positioning.
AG1 (Athletic Greens) Comparison
AG1 provides 75+ ingredients vs Bloom's ~30 at substantially higher price point (~$99 vs ~$30 for 30 servings). AG1 has substantially more extensive ingredient density, third-party testing investment (NSF Certified for Sport), and brand premium positioning. The substantial pricing differential reflects substantial differences in ingredient complexity, testing investment, and brand positioning, not necessarily proportional differences in clinical effects.
Who it works for, and who it does not
Users seeking AG1-alternative positioning at lower price point
Bloom's substantially lower pricing (~$30 vs AG1's ~$99 for 30 servings) provides reasonable alternative for users seeking comprehensive daily greens positioning without AG1's premium pricing. The substantial ingredient density and testing investment differences should be transparent in consumer evaluation.
Users with modest dietary inadequacy seeking comprehensive supplementation
The cumulative modest nutritional contribution may support users with documented dietary inadequacy. Standalone targeted supplementation of specific nutrients (vitamin D, B12, magnesium, omega-3, fiber) is generally more cost-effective and provides more targeted clinical effects than multi-ingredient greens powders. Greens powders are reasonable convenience supplementation, not optimal targeted nutrition.
Travel and convenience supplementation
The substantial convenience advantage (single-scoop daily preparation) provides reasonable framework for users with travel or schedule constraints making consistent whole-food nutrition difficult. The convenience use case is among the most reasonable Bloom applications.
Users transitioning from poor dietary patterns
For users with substantial dietary inadequacy transitioning toward better nutrition, modest multi-ingredient supplementation may provide reasonable bridging during dietary improvement. Not substitute for dietary improvement; reasonable adjunctive intervention.
Users seeking probiotic supplementation primarily
Bloom's probiotic content (1-2 billion CFU per serving) is substantially below therapeutic probiotic dose ranges (Seed DS-01 53.6 billion AFU; Visbiome 450 billion CFU; VSL#3 historical 450 billion). Users seeking probiotic supplementation should use dedicated probiotic products with higher CFU content and strain specification.
Users seeking prebiotic fiber supplementation primarily
Bloom's prebiotic inulin content (~2-3g per serving) is substantially below therapeutic prebiotic dose ranges (5-10g+ daily for substantial gut microbiome effects). Users seeking prebiotic supplementation should use dedicated prebiotic products or whole food fiber sources.
Pregnancy and lactation
Multi-ingredient supplements lack pregnancy-specific safety verification across the ingredient mix. Standard prenatal vitamins provide targeted pregnancy nutrition. Bloom is not substitute for prenatal vitamin; coordinate with OB-GYN.
Pediatric use
Multi-ingredient adult formulations not appropriate for pediatric populations. The adult dose ingredient mix is not formulated for pediatric needs. Specialist coordination for pediatric supplementation.
Users with documented heavy metal sensitivity
The substantial Lead Safe Mama and Mamavation testing framework documents heavy metal concerns across the greens powder category including Bloom. Users with established heavy metal sensitivity or those prioritizing minimum heavy metal exposure should choose products with explicit third-party heavy metal testing disclosure.
Athletes subject to WADA testing
Multi-ingredient products without NSF Certified for Sport verification carry small but documented risk of contamination with prohibited substances. AG1 carries NSF Certified for Sport (reasonable verification); Bloom verification status varies by product line. Athletes subject to anti-doping testing should verify specific product certification.
Specific allergies / sensitivities
Multi-ingredient formulations contain many potential allergens; users with food allergies (gluten, dairy, soy, tree nuts, eggs) should verify ingredient list carefully. Some Bloom flavors contain sweeteners (stevia, monk fruit, others) that some users prefer to avoid.
Taken with other things
Combinations people actually use. Evidence for one ingredient is not evidence for a pair.
Dedicated Single-Supplement Nutrition
Bloom's modest multi-ingredient supplementation works alongside dedicated single-supplement interventions (vitamin D3, B12, magnesium, omega-3, dedicated probiotic) rather than substituting for them. The cumulative framework provides convenience supplementation plus targeted intervention.
Dietary Improvement
Reasonable framework as adjunct to dietary improvement (whole foods, vegetables, fiber, omega-3 from food sources) rather than substitute for dietary improvement. The convenience use case is among the most reasonable applications.
Coffee / Morning Routine
Common consumer integration with morning coffee routine for compliance support. The flavor compatibility varies; Bloom Original generally compatible with coffee or morning beverages.
Dedicated Probiotic Supplements
Users seeking therapeutic probiotic effects should use dedicated probiotic products (Seed DS-01, Visbiome, VSL#3, BB-12, others) rather than relying on Bloom's 1-2 billion CFU contribution. The combination is reasonable; Bloom alone is insufficient for therapeutic probiotic positioning.
Dedicated Fiber Supplements
Users seeking substantial prebiotic or fiber effects should use dedicated fiber supplementation (psyllium, partially hydrolyzed guar gum, dedicated prebiotic products) rather than relying on Bloom's ~2-3g inulin contribution.
Prenatal Vitamins
Bloom is not substitute for prenatal vitamin in pregnancy. Standard prenatal vitamin coordination with OB-GYN; Bloom is general adult formulation not optimized for pregnancy.
Anticoagulants
Greens powders contain vitamin K from chlorophyll-containing ingredients (spirulina, chlorella, wheatgrass, barley grass), may modestly interfere with warfarin therapy. Coordinate with anticoagulation management; INR monitoring may be appropriate.
Thyroid Hormone (Levothyroxine)
Calcium, magnesium, and iron content in greens powders may modestly reduce levothyroxine absorption. Standard guidance: take levothyroxine 4+ hours apart from mineral-containing supplements.
Multivitamins
Bloom contains modest vitamin and mineral content that overlaps with multivitamins. Cumulative dose verification important to avoid exceeding ULs for fat-soluble vitamins (A, D, E, K) and minerals (iron, zinc, copper).
Allergens
Multi-ingredient formulations contain many potential allergens; verify ingredient list for gluten, dairy, soy, tree nuts, eggs, and other allergens of concern.
WADA-Tested Athletes
Multi-ingredient products without NSF Certified for Sport verification carry small but documented contamination risk. Verify specific product certification before use in WADA-tested athletes.
What to look for on the label
Look for: explicit ingredient list with mg content per serving; reasonable third-party testing disclosure (heavy metals, microbial); allergen labeling (gluten-free, dairy-free, etc.) if relevant; substantial brand transparency about manufacturing facilities and quality verification. Avoid: products without specific ingredient mg content disclosure; products without heavy metal testing disclosure given Lead Safe Mama and Mamavation testing framework; aggressive marketing claims about specific clinical outcomes that exceed evidence base; comparisons with AG1 that overstate equivalence given substantial ingredient density differences; impulse purchasing based on influencer marketing without ingredient evaluation. The substantial flavor variety provides palatability options but does not substitute for ingredient quality verification.
Safety in detail
- Generally well-tolerated as multi-ingredient daily supplementation. The modest doses of individual ingredients reduce single-ingredient adverse effect risk relative to therapeutic single-supplement doses.
- GI effects (mild bloating, gas, abdominal discomfort) most common at initiation, typically related to probiotic and prebiotic content adjustment. Generally resolves within 1-2 weeks of consistent use.
- Heavy metal contamination concerns documented by Lead Safe Mama and Mamavation testing, consistent with broader greens powder category concerns rather than Bloom-specific issue. Third-party heavy metal testing verification provides reasonable consumer assurance.
- WADA-tested athletes: NSF Certified for Sport verification not consistent across Bloom product lines; verify specific product certification before use.
- Allergen content varies by formulation, verify ingredient list for users with food allergies.
- Vitamin K content from chlorophyll-containing greens may modestly interfere with warfarin anticoagulation; coordinate with anticoagulation management.
- Calcium, magnesium, and iron content may modestly reduce levothyroxine absorption; standard 4+ hour timing separation.
- Pregnancy and lactation: not substitute for prenatal vitamin; coordinate with OB-GYN.
- Pediatric use: adult formulation not appropriate for pediatric populations.
- Long-term safety record at standard 1-scoop daily use appears reasonable across substantial consumer use; the substantial brand growth represents substantial real-world safety experience.
- The substantial Lead Safe Mama public testing controversy represents substantial consumer awareness framework for heavy metal concerns across the greens powder category broadly.
What people get wrong
Often saidBloom is the affordable AG1.
ActuallySubstantially different products despite category overlap. Bloom contains ~30 ingredients at modest doses; AG1 contains ~75+ ingredients with substantially more extensive third-party testing investment (NSF Certified for Sport). The substantial price differential reflects substantial ingredient density and testing investment differences, not just brand markup differences. Both products face similar evidence base limitations (limited brand-specific clinical research investment).
Often saidDaily greens powders replace whole foods.
ActuallyThey do not. Greens powders provide modest cumulative nutritional supplementation; whole food nutrition (vegetables, fruits, fiber, omega-3 sources) provides substantially more comprehensive nutrition. Greens powders are reasonable convenience adjunct, not substitute for whole food nutrition.
Often saidBloom is a probiotic.
ActuallyBloom contains modest probiotic content (1-2 billion CFU per serving) substantially below therapeutic probiotic dose ranges (10+ billion CFU typical). Users seeking probiotic effects should use dedicated probiotic products (Seed DS-01, Visbiome, others) with appropriate CFU content.
Often saidBloom is gluten-free / allergen-free.
ActuallyVerify specific ingredient list, different Bloom formulations may contain different allergens. Original Bloom Greens may be different formulation than flavored variants. Allergen verification is essential for users with food sensitivities.
Often saidAll greens powders are safe.
ActuallyHeavy metal contamination concerns documented across the greens powder category broadly (Lead Safe Mama, Mamavation testing), verify third-party heavy metal testing for specific products. The "natural therefore safe" framing applies poorly to consumer products in industrially-sourced supplement supply chains.
Often saidDaily greens are necessary for health.
ActuallyThey are not. Most adults can achieve adequate nutrition through whole food dietary patterns without greens powder supplementation. Targeted single-supplement intervention (vitamin D, B12, omega-3, magnesium) for documented inadequacy is generally more cost-effective and more clinically targeted than multi-ingredient greens powders.
Often saidInfluencer-recommended supplements are clinically vetted.
ActuallyThey are not necessarily. Influencer marketing reflects commercial partnership framework rather than independent clinical evidence evaluation. Consumer awareness of influencer marketing commercial structure supports better-informed evaluation.
Who profits, and who pushes back
Mass retail premium vs targeted single-supplement evidence
Bloom's $30/month premium versus AG1's $99/month represents substantial relative savings within the greens powder category, but standalone targeted supplementation often provides more clinical effect per dollar than multi-ingredient greens powders. A combination of dedicated vitamin D3 ($10-15/year), B12 ($10-15/year), magnesium glycinate ($15-20/month), omega-3 fish oil ($20-30/month), dedicated probiotic ($30-50/month if pursuing therapeutic doses), and dedicated prebiotic fiber ($10-15/month) provides more targeted nutrition than Bloom or AG1 at substantially better cost-effectiveness for users prioritizing specific nutrient adequacy. Reasonable position: Bloom is reasonable convenience supplementation for users prioritizing single-scoop convenience; not necessarily optimal cost-effectiveness for users prioritizing targeted clinical nutrition.
Brand-founder integration vs independent product evaluation
The substantial founder-brand integration (Mari Llewellyn personal brand + Bloom commercial framework) provides substantial authenticity inheritance but also creates substantial conflict of interest framework. Consumer evaluation should consider that founder-influencers have substantial financial incentive to promote their own commercial products beyond rigorous clinical evidence. The substantial influencer marketing ecosystem broadly faces parallel consideration. Reasonable position: brand-founder integration provides cultural authenticity but does not substitute for clinical evidence in product evaluation; consumer awareness of influencer marketing commercial structure supports better-informed purchasing decisions.
Mari Llewellyn
Sells this. Has a commercial interest in a product sold as this compound, as of July 2026.
Substantial founder-brand integration and substantial commercial interest in Bloom Nutrition brand framework. Mari Fitness Instagram and YouTube heritage provided foundational audience. Disclosed industry context.
Greg LaVecchia
Sells this. Has a commercial interest in a product sold as this compound, as of July 2026.
Co-founder of Bloom Nutrition; substantial commercial interest in brand framework. Disclosed industry context.
Bloom Nutrition Company
Sells this. Has a commercial interest in a product sold as this compound, as of July 2026.
Substantial commercial interest in brand category positioning. Substantial DTC + mass retail channel framework. Disclosed industry context.
Tamara Rubin (Lead Safe Mama)
Substantial consumer advocacy framework around heavy metal contamination concerns in supplements broadly. Independent consumer testing investment; not affiliated with industry. Substantial influence on consumer awareness of greens powder category testing concerns.
Mamavation
Consumer advocacy organization conducting third-party testing of supplements and consumer products. Independent consumer testing investment. Substantial influence on consumer awareness framework.
Target Corporation
Sells this. Has a commercial interest in a product sold as this compound, as of July 2026.
Substantial mass retail distribution partnership for Bloom Nutrition. Substantial commercial relationship; disclosed retail framework.
Influencer marketing partners
Sells this. Has a commercial interest in a product sold as this compound, as of July 2026.
Substantial network of paid and unpaid influencer partnerships supporting Bloom brand growth. Standard DTC supplement industry framework; substantial commercial interest in brand growth. Disclosed influencer marketing framework.
TikTok / Instagram platforms
Sells this. Has a commercial interest in a product sold as this compound, as of July 2026.
Substantial platform-dependent growth through TikTok and Instagram social media marketing. Standard DTC supplement industry framework. Disclosed platform marketing context.
How we got here
Bloom Nutrition was founded in 2019 by Mari Llewellyn (Mari Fitness on social media) and her partner Greg LaVecchia. Mari's substantial Instagram and YouTube fitness influencer presence provided foundational audience for the brand launch, built through her personal weight loss transformation content, body building/fitness content, and authentic direct-to-consumer engagement throughout the 2010s. The substantial founder-brand integration was foundational to the brand launch and continues to characterize the commercial framework. The original product was Bloom Greens & Superfoods, the flagship multi-ingredient greens powder positioned as accessible alternative to AG1 at substantially lower price point. The substantial early growth (2019-2021) was driven through DTC subscription model and substantial social media marketing, TikTok particularly emerged as substantial growth driver during the platform's 2020-2021 expansion. The substantial influencer marketing ecosystem (Mari's personal content + substantial influencer partnership network) drove growth distinct from traditional supplement industry marketing approaches. The substantial brand-founder integration provided substantial authenticity inheritance distinct from traditional corporate supplement positioning. The substantial product line expansion through 2021-2024 has extended Bloom beyond the original Greens & Superfoods flagship to include Bloom Pre-Workout, Bloom Whey Protein, Bloom Magnesium, Bloom Collagen, and various other supplement categories. The substantial brand expansion reflects substantial commercial growth and category positioning expansion. The substantial mass retail expansion through 2022-2024 marked the brand's transition from DTC-only to mass-retail hybrid model. Target retail entry provided substantial physical retail access; Walmart and other major retail partnerships have continued the expansion. The substantial channel growth distinguishes Bloom from purely DTC competitors and reflects substantial brand maturation. The substantial Lead Safe Mama (Tamara Rubin's consumer advocacy framework) and Mamavation third-party testing through 2022-2024 documented heavy metal contamination concerns across various Bloom flavors, consistent with broader greens powder category concerns rather than Bloom-specific issue (AG1, Athletic Greens, and similar brands faced parallel testing scrutiny). The substantial public controversy framework has shaped consumer awareness of heavy metal contamination concerns in the greens powder category broadly. Bloom has responded with product testing and reformulation efforts; the substantial brand response framework continues to evolve. The substantial consumer market growth through the 2020s has positioned Bloom as among the most-successful DTC supplement brand launches of the 2020s, the substantial influencer-economy commercial framework, aggressive pricing strategy, and mass retail expansion combined to substantial commercial growth. The substantial brand framework continues to evolve through 2024-2025 with continued product expansion, channel growth, and category positioning evolution. The Bloom commercial framework represents substantial example of modern DTC supplementation business model, substantial founder-brand integration, substantial influencer marketing, substantial DTC + retail channel framework, aggressive pricing strategy, and substantial flavor-variety consumer-experience emphasis. The substantial commercial success despite limited brand-specific clinical research investment characterizes the broader DTC supplement category dynamics.
- 2019Bloom Nutrition founded by Mari Llewellyn and Greg LaVecchia
- 2019-2020Bloom Greens & Superfoods initial DTC launch
- 2020-2021Substantial TikTok and Instagram influencer marketing growth
- 2021-2022Substantial product line expansion (Pre-Workout, Whey Protein, Magnesium, others)
- 2022-2023Target retail entry; substantial mass retail expansion
- 2022-2024Lead Safe Mama and Mamavation heavy metal testing concerns documented
- 2023-2024Walmart and other major retail partnerships
- 2024-2025Continued brand and category expansion; ongoing reformulation responses
What we do not know
- Whether Bloom's aggressive pricing strategy versus AG1's premium positioning will mature into long-term category positioning or face pricing pressure from generic alternatives.
- Whether the substantial Target and Walmart mass retail expansion will sustain growth or face shelf-space competition from broader supplement category competitors.
- Whether the influencer-founder brand integration model (Mari Llewellyn personal brand + Bloom commercial framework) will face succession or evolution challenges as Mari's career develops beyond founding.
- Whether brand-specific clinical research investment (which Bloom has not substantially undertaken) will emerge as competitive differentiator versus AG1's modest research investment.
- Whether the heavy metal contamination testing concerns (Lead Safe Mama, Mamavation) will drive reformulation, testing investment, or transparency improvements across the category broadly.
- How best to integrate Bloom and similar mass-market multi-ingredient supplementation with established nutritional medicine, the convenience use case is reasonable; the substitute-for-targeted-supplementation framing is substantially less defensible.
- Whether the substantial flavor variety (Original, Berry, Citrus, Mango, others) drives genuinely improved compliance or primarily represents consumer-experience marketing differentiation.
- How the Bloom brand will evolve in the broader supplement industry context, IPO potential, acquisition speculation, and continued category expansion all represent ongoing commercial questions.
Legal status
Widely available through Bloom Nutrition direct-to-consumer website (bloomnu.com), Target retail (substantial expansion 2022-2024), Walmart retail, Amazon, and various other retailers. Legal under DSHEA in the United States and equivalent supplement regulations in most jurisdictions. Not on WADA prohibited list (though specific NSF Certified for Sport verification not consistent across product lines). The substantial DTC subscription model provides monthly delivery with subscription discount; the substantial mass retail expansion provides physical retail access. Pricing: ~$30 per 30-serving container at retail (substantial below AG1's ~$99 pricing). Substantial promotional and discount activity through DTC channels. Bloom Nutrition product line has expanded beyond Greens & Superfoods to include pre-workout, whey protein, magnesium, collagen, and various other supplement categories, substantial brand expansion under the Bloom Nutrition company framework. Founded 2019 by Mari Llewellyn; the brand-founder integration provides substantial influencer marketing inheritance. Substantial social media presence (TikTok, Instagram, YouTube) reflects the influencer-economy commercial framework. The substantial channel expansion (DTC + Target + Walmart + other retail) distinguishes Bloom from purely DTC competitors. The substantial pricing differential versus AG1 has driven substantial market growth, the "affordable AG1 alternative" positioning has been substantially successful in capturing consumer market share.
Status current as of July 2026. Regulatory positions change, sometimes quickly.
The market for this
What follows describes how this is bought and sold. It is not a buying guide and it is not an endorsement of any seller.
Bloom Nutrition sourcing involves typical commercial supplement industry framework, ingredient sourcing through specialty supplement ingredient suppliers (predominantly US, China, India), contract manufacturing through US-based supplement manufacturers (FDA-registered facilities), and quality testing through third-party laboratories. The substantial ingredient list (30+ components) reflects typical multi-ingredient supplement supply chain complexity. Specific raw material sourcing for individual ingredients (spirulina, chlorella, wheatgrass, barley grass, probiotic strains, prebiotic inulin, fruit antioxidant blends, digestive enzymes, adaptogens) involves typical industry framework. The substantial Lead Safe Mama and Mamavation third-party testing has documented heavy metal contamination concerns across various Bloom flavors, consistent with broader greens powder category concerns. Bloom has responded with product testing and reformulation efforts; specific brand response framework varies. Third-party testing (USP, NSF for Sport, ConsumerLab) is reasonable consumer verification. The substantial commercial supply chain through DTC, Target, Walmart, and other retail channels provides substantial distribution but does not guarantee individual product quality verification beyond manufacturer disclosure. The substantial brand growth has involved substantial commercial supply chain development; the substantial channel expansion has occurred faster than typical traditional supplement industry growth, reflecting the substantial DTC + influencer marketing acceleration framework.
At a glance
- Class
- Multi-ingredient daily greens powder
- Founder
- Mari Llewellyn (with Greg LaVecchia)
- Founded
- 2019
- Headquarters
- United States
- Ingredient count
- ~30+ ingredients
- AG1 comparison ingredient count
- ~75+
What this entry does not yet cover
What follows is unfinished work on our side, not a finding about Bloom Greens. A short entry is not a safe entry.
- Cost and market. We have not documented what it sells for or who sells it.
- Supply chain. We have not mapped where it is made.
- Who uses it. We have not documented the user groups.
- What could change. No forward-looking summary yet.
- How it compares. We have not set it against the alternatives.
- Children and teenagers. We have not checked what is known about younger people.
- Where we land. We have not taken a position on this yet.
Sources
No scientific studies on the company site; inadequate influencer disclosures; proprietary-blend opacity; implied disease-adjacent bloating/hangover claims
Nutrabolt took a 20% minority stake in Bloom in 2024 and expanded its investment in 2025; founders Mari Llewellyn and Gregory LaVecchia continue to lead; no Nestlé acquisition
Bloom founded 2019 by Mari Llewellyn; #1 US greens brand; TikTok-driven growth; ingredient overview
Reported ~$1.8M Bloom settlement (2023) over unproven benefits and misleading before/after marketing; further false-advertising class action reported
Blend structure and disclosed vs undisclosed doses: ~1.6g fiber blend, ~1.4g greens, 100mg adaptogen blend, undisclosed probiotic CFU; doses below studied levels
ConsumerLab found 4 of 13 greens/whole-food products exceeded lead limits, one also with cadmium, one with arsenic; confirmed in a second lab
ConsumerLab greens review methodology: heavy metals (lead, cadmium, arsenic, mercury) tested by ICP-MS
Ashwagandha usefulness and safety; caution in pregnancy/breastfeeding; rare liver injury reports
NCCIH (US National Center for Complementary and Integrative Health)
Documented case of ashwagandha-induced liver injury (herb-induced liver injury, RUCAM-assessed)
The studies that matter
No brand-specific clinical trials identifiedMultiple search frameworks
As with most DTC greens powders including AG1, no published RCTs specifically on Bloom Greens & Superfoods identified in major databases (PubMed, ClinicalTrials.gov, Cochrane Central). The brand evidence base relies on individual ingredient extrapolation rather than product-level clinical research investment, characteristic of the DTC greens powder category.
Individual ingredient evidence extrapolationMultiple sources
Bloom's formulation includes ingredients with substantial individual evidence bases, spirulina cardiovascular and immune research, chlorella detoxification preliminary, wheatgrass barley grass modest evidence, Lactobacillus/Bifidobacterium probiotic evidence (though at higher CFU than Bloom provides), digestive enzyme evidence for specific applications, antioxidant fruit blends with modest preliminary evidence. The cumulative formulation effect is not directly studied; individual ingredient evidence does not directly translate to product effects at Bloom's formulation doses.
Lead Safe Mama heavy metal testing concernsLead Safe Mama 2022-2024 (consumer advocacy)
Tamara Rubin's Lead Safe Mama testing of Bloom Greens products has documented detectable lead content in various Bloom flavors, consistent with the broader heavy metal concerns across the greens powder category (AG1, Athletic Greens, and others have faced similar testing findings). The findings are subjects of substantial public controversy; Bloom has responded with product testing and reformulation efforts. The substantial Lead Safe Mama framework has shaped consumer awareness of heavy metal contamination concerns in the greens powder category broadly.
Mamavation third-party testing initiativesMamavation 2023-2024
Consumer advocacy organization testing of greens powders including Bloom, various heavy metal and contaminant findings documented across the category. Substantial framework for consumer awareness of testing concerns.
Probiotic CFU dose framework comparisonReuter 2001 and probiotic research framework
Substantial probiotic research framework demonstrates dose-dependent effects typically requiring 10+ billion CFU for clinical effects (Visbiome 450 billion, Seed DS-01 53.6 billion AFU, VSL#3 historical 450 billion). Bloom's 1-2 billion CFU per serving is substantially below therapeutic probiotic dose ranges, the probiotic contribution is mechanistically modest.
Prebiotic fiber dose frameworkMultiple sources
Substantial prebiotic fiber research demonstrates dose-dependent effects typically requiring 5-10g+ daily for substantial gut microbiome effects. Bloom's ~2-3g prebiotic inulin per serving is substantially below therapeutic prebiotic dose ranges.
Influencer marketing supplement research frameworkMarketing research 2010s-2020s
Substantial academic research on influencer marketing in supplement industry, the substantial brand-influencer integration models (Bloom, AG1, Seed, others) face substantial methodological challenges with traditional efficacy evaluation since the brand premium reflects substantial marketing investment alongside ingredient costs.
DTC supplement category economic analysisIndustry analysis 2020s
Substantial business analysis of DTC supplement category economic models, Bloom's aggressive pricing strategy versus AG1's premium positioning represents distinct commercial frameworks within the same category. The substantial Target retail expansion represents substantial channel expansion strategy.
Mari Llewellyn brand-founder integration analysisCultural and business analysis 2020s
Mari's personal weight loss transformation content (substantial Instagram and YouTube heritage), brand founding 2019, and substantial commercial success represent clean example of founder-brand integration model in modern DTC supplementation. The substantial commercial framework is intertwined with founder identity in ways that distinguish modern DTC supplementation from traditional supplement industry positioning.
Greens powder category third-party testing frameworkConsumer Lab, Mamavation, Lead Safe Mama
Substantial consumer testing framework across greens powder category demonstrates substantial quality variation across DTC brands. Bloom, AG1, and other brands face similar testing scrutiny; the substantial brand response varies across companies.
Spirulina and chlorella evidence baseMultiple sources
Spirulina has substantial cardiovascular and modest immune evidence at therapeutic doses (typically 1-8g/day for documented effects). Chlorella has preliminary detoxification and modest cardiovascular evidence. Bloom's greens blend provides modest doses well below therapeutic single-ingredient ranges.
Digestive enzyme supplement frameworkPharmacology research
Digestive enzymes (amylase, protease, lipase, cellulase, lactase) have established pharmacology for specific clinical applications (pancreatic insufficiency, lactose intolerance). General-population supplementation evidence is more modest; Bloom's digestive enzyme blend provides modest doses for general digestive support framework.