Glycine

Also known as: aminoacetic acid

AAdequate Evidence2 studies referenced

Common dosage

3g before bed

Description

Simple amino acid that lowers core body temperature for sleep onset and supports collagen synthesis. Also acts as an inhibitory neurotransmitter.

Safety & interactions

Very safe. Slightly sweet taste — can be mixed into water.

Check all interactions →

Protocols featuring Glycine

Sleep Optimization ProtocolSStrong Evidence

Studies on Glycine (2)

New therapeutic strategy for amino acid medicine: glycine improves the quality of sleep

Bannai M, Kawai N (2012) · J Pharmacol Sci

ReviewPubMed

Glycine ingestion improves subjective sleep quality in human volunteers

Yamadera W, et al. (2007) · Sleep Biol Rhythms · n=15

RCTPubMed

Health domains

Sleep & recovery Skin, hair & nails Musculoskeletal health

ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.