Compound Library

Supplement / Sleep/Collagen/Longevity

Glycine

Non-essential amino acid with multiple benefits. Improves sleep quality (3g before bed lowers core body temperature). Essential for collagen synthesis. Anti-glycation effects relevant to longevity. May limit methionine-driven mTOR activation.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose3–10g oral before bed (sleep). Collagen synthesis: 5–10g daily.
Half-life1 hours
Risk flaglow
Regulatory noteReview required

Side effects and watch-outs

  • Generally extremely well tolerated
  • Mild drowsiness
  • GI upset at very high doses