Glycine
Also known as: Aminoacetic acid, 2-aminoacetic acid
Effective Dosage
3-5 g daily
✓ What the Science Says
Glycine is an amino acid that has been shown to improve sleep quality and may enhance cognitive function. It is also involved in the synthesis of proteins and plays a role in metabolic processes.
✗ What It Doesn't Do
Glycine is not a miracle sleep aid and does not guarantee deep sleep or cure insomnia. Claims that it can significantly boost muscle mass or enhance athletic performance are not supported by strong evidence.
Evidence-Based Benefits
Glycine is an amino acid that has been shown to improve sleep quality and may enhance cognitive function. It is also involved in the synthesis of proteins and plays a role in metabolic processes.
Strong EvidenceEffective at: 3-5 g daily
Source: auto-research
Absorption & Bioavailability
Good - Glycine is well absorbed in the gastrointestinal tract.
Red Flags to Watch For
- 🚩 Products claiming to cure sleep disorders without evidence
- 🚩 High-priced supplements with little scientific backing
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-02-05