Sigma Nutrition Radio #600: Finite Knowledge, Infinite Ignorance
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Mar 31, 2026 Alan Flanagan, researcher and frequent Sigma Nutrition Radio contributor, brings concise expertise on protein, omega-3s, sodium and trial methods. He reflects on changed views about time-restricted eating, protein dosing, cocoa flavanols, red meat risks, omega-3 formulation differences, dietary cholesterol nuance, and why measurement and trial design shape conclusions.
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Alan's Reversal On Intermittent Fasting Claims
- Alan recounts his own shift from being optimistic about time-restricted eating to calling it 'a whole lot of nothing.'
- He traces the change to emerging RCTs (2018–2023) and modeling that showed weight change tied to energy intake, not timing.
Time Restricted Eating Has No Magic Metabolic Boost
- Time-restricted eating shows no independent metabolic or weight-loss advantage beyond reduced energy intake.
- Alan cites multiple RCTs and a meta-analysis where apparent benefits disappeared once predicted energy intake was modeled (e.g., Jamshed et al., Xi, Lu trials).
Daily Protein Overrules Per Meal Leucine Obsession
- Total daily protein matters more than obsessing over milligram-per-meal leucine thresholds or perfect per-meal distribution for most people.
- Danny and Alan cite trials showing similar hypertrophy/strength with ~1.1–1.6 g/kg/day across even vs. skewed meals and plant vs. animal protein when total protein is adequate.