We read the clinical research so you don't have to guess. Straightforward, source-backed guides to every major fasting protocol: what the evidence actually shows, and how to do it safely.
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Step-by-step guides from your first fast to advanced multi-day protocols, including how to break a fast safely.
2 guides16:8, 18:6, OMAD, 5:2, and alternate-day fasting explained side by side.
3 guidesWhat the research shows about weight loss, autophagy, metabolic health, and longevity.
2 guidesDeep dives into the clinical studies and biological mechanisms behind fasting.
2 guidesPractical guidance for social situations, travel, and exercise while fasting.
2 guides NewSimple, satisfying meals for your eating window, built around real fasting schedules.
3 recipes NewPractical ways to manage hunger, stay busy, and keep your mind off food during a fast.
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Explore the molecular biology of fasting-induced autophagy: how mTOR inhibition, AMPK activation, and cellular recycling connect nutrient restriction to longevity and disease prevention.
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New science-backed guides published regularly.
Recent evidence suggests intermittent fasting can modestly reduce blood pressure, especially in higher-risk adults, but protocol details and safety planning matter.
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A practical, evidence-based guide to alternate-day fasting, including what studies show about fat loss, metabolic outcomes, and long-term adherence.
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A practical, evidence-based approach to exercise timing, hydration, and recovery while intermittent fasting, including when to scale back for safety.
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New clinical evidence links intermittent fasting to improvements in memory and executive function, but most brain-health claims still need larger long-term human trials.
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A 2007 RCT found OMAD reduced fat mass without cutting calories, but also raised LDL and blood pressure. Here's what the evidence shows and how to do it safely.
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A 2022 meta-analysis found IF reduced fasting insulin by 13.25 µIU/mL and HOMA-IR by 0.31 units. Here's what the clinical evidence says, and who should be cautious.
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