Fasting-Mimicking Diet · 5-Day Protocol
Trick the body into fasting physiology while still eating. Real science, real conflict of interest.
Fasting
FMD, juice, bone broth, fat fasting
7 protocols. None rests on strong human evidence. Ordered with the best evidenced first.
Fasting-Mimicking Diet · 5-Day Protocol
Trick the body into fasting physiology while still eating. Real science, real conflict of interest.
The Muscle-Preserving Medical Fast
A medically designed fast that keeps protein high to protect muscle while driving rapid fat loss, effective but requiring supervision.
The European Clinical Fasting Tradition
A century-old supervised European fasting method using small amounts of juice and broth, with the largest real-world safety record of any fast.
Modified Fast · Broth-Only Protocol
Not a true fast. A low-calorie broth protocol that eases the experience while blunting some benefits.
Absolute Fast · No Food or Water
No food and no water. Heavily promoted, poorly evidenced, and genuinely risky beyond a day.
Bulletproof-Style · Fat-Only Window
Add fat to extend a fast. Eases ketosis and hunger, but the "fat does not break a fast" claim is contested.
Juice Cleanse · Liquid-Only Protocol
Marketed as detox, delivered as a sugar load. The most commercially hyped, least fasting-like protocol.