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Gl
Amino Acids
Glycine
Simple amino acid supporting sleep quality and collagen synthesis.
What it is
Glycine is the simplest amino acid, serving as a neurotransmitter, collagen building block, and glutathione precursor.
How it works
Inhibitory neurotransmitter (glycine receptors); lowers core body temperature to promote sleep onset; key for collagen triple helix.
What the evidence says
Moderate evidence for improving subjective sleep quality; well-tolerated even at high doses.
Safety Notes
- Very safe; sweet taste. Powder form preferred at 3g doses (would require many capsules).
- clozapine: May reduce clozapine effectiveness; consult physician.