Glycine: The Amino Acid Behind Better Sleep, Collagen, and Longevity
Glycine at 3 g before bed improves sleep quality in RCTs. As a longevity molecule it drives collagen synthesis, glutathione via GlyNAC, and mTOR modulation.
Supplements
Sleep Supplements
2 articles on Sleep Supplements by Dr. med. univ. Julian Douwes: Glycine: The Amino Acid Behind Better Sleep, Collagen, and Longevity; and more.
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Melatonin: Complete Dosing and Benefits Guide
A physician's evidence-based guide to melatonin dosing, timing, forms, and benefits beyond sleep — including longevity, immunity, and cancer biology.
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Best Supplements for Deep Sleep: Evidence Ranked
Physician-ranked guide to sleep supplements. Magnesium glycinate, glycine, apigenin, L-theanine, and ashwagandha compared by evidence quality for deep sleep enhancement.
