💤 Sleep · Strong evidence
Glycine
The sleep amino acid. People take it for:
- Deep sleep quality
- Sleep onset
- Core body temperature regulation
- Collagen synthesis
- Liver detoxification
Why it works
Glycine is an amino acid that lowers core body temperature, helping initiate deep sleep. Also supports collagen synthesis.
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How to take Glycine
Best time to take
Bedtime — promotes deep sleep
Suggested dose
3g before bed
Side effects and risks
- Very well tolerated
- Excessive doses may cause nausea
Glycine interactions
Works withN-Acetyl L-Cysteine (NAC)
Glycine and NAC are the two rate-limiting inputs to glutathione. The combination is more effective than either on its own.
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- 🌸 PassionflowerAnxiety · sleep · GABA · nervous system
Medical disclaimer: Nothing on Stack Ritual constitutes medical advice. The information provided is for educational purposes only. Always consult your doctor or a qualified healthcare provider before beginning, changing, or stopping any vitamin, supplement, or wellness regimen.