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Time-Restricted Eating (Satchin Panda Protocol)

Nutrition · moderate · No additional time — just restructure when you eat

What is Time-Restricted Eating (Satchin Panda Protocol)?

Satchin Panda's research at the Salk Institute shows that confining all food intake to an 8-12 hour window — regardless of what you eat — significantly improves metabolic health. Mice eating within a set window were slimmer and healthier than those eating the same calories across more hours. Time-restricted eating influences gene expression in 22+ body regions and synchronizes circadian rhythms across all organs, affecting 40% of genes in the pancreas, hypothalamus, and adrenal glands.

Is there evidence for it?

EVIDENCEstrong — Salk Institute research shows TRE reshapes gene expression in 22+ body regions; increases lifespan in laboratory animals; human studies show improved obesity, diabetes, cardiovascular markers; 40% of pancreas/hypothalamus genes affected; large-scale human trials ongoing

How do you do Time-Restricted Eating (Satchin Panda Protocol)?

  1. 1.Choose an 8-10 hour eating window (e.g., 9 AM to 7 PM) and consume all calories within it; start with 12 hours and narrow gradually
  2. 2.Be consistent with your window daily (including weekends) — circadian rhythm alignment requires regularity
  3. 3.Consume nothing but water, plain tea, or black coffee outside the eating window — even small amounts of food disrupt the fasting state
  4. 4.Align your eating window with daylight: eat earlier rather than later — Panda's research shows that eating aligned with natural light cycles produces better metabolic outcomes
  5. 5.Track your eating window using an app (myCircadianClock, developed by Panda's lab) for at least 2 weeks to identify your real patterns before optimizing

How long does it take?

No additional time — just restructure when you eat.

Is it hard to start?

moderate.

Source: Satchin Panda, Salk Institute; Huberman Lab podcast; salk.edu TRE gene expression study
nutrition · fasting · time-restricted-eating · circadian · satchin-panda · metabolic-health
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