What Happens When You Fast 16 Hours (16:8) vs 23 Hours (OMAD)? | Science Explained

Описание: #ScienceExplained #QuitSugar #MetabolicHealth

Is fasting 16 hours enough — or does real fat loss only happen with OMAD? In this in-depth breakdown, Science Explained compares 16:8 intermittent fasting with 23-hour fasting (OMAD) through the lens of metabolic physiology, insulin signaling, glycogen depletion, and the metabolic switch.

Most people assume fat loss is about willpower or calories. But as Science Explained shows, it’s primarily about hormonal signaling — especially insulin. When insulin stays elevated, fat burning is suppressed. When glycogen stores decline and insulin drops, the body shifts toward fat oxidation and ketone production. But that shift doesn’t occur at a fixed hour. It depends on metabolic context, insulin sensitivity, and meal composition.

In this episode of Science Explained, we analyze how 16:8 supports insulin sensitivity, circadian alignment, muscle preservation, and long-term adherence. Then we contrast it with OMAD, where extended fasting increases ketone levels and fat oxidation — but may also amplify hormonal fluctuations, glucose spikes during refeeding, and stress load.

You’ll also learn how fasting impacts BDNF, brain clarity, sleep quality, growth hormone, cortisol, and lean mass retention — and why more fasting hours do not automatically mean better metabolic outcomes.

By the end, Science Explained gives you a practical framework to decide which strategy aligns with your physiology, goals, and lifestyle. Because sustainable fat loss isn’t about intensity — it’s about metabolic rhythm.

Subscribe to Science Explained for evidence-based insights into metabolism, fasting, and long-term health optimization.
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