Amino acids

Glycine — timing, dose & interactions

Simplest amino acid; lowers core body temperature and improved subjective sleep quality in small trials. Also a building block of collagen and glutathione.

Timing

When to take it

About 3 g before bed for sleep quality.

Interactions

Glycine with other supplements

No documented supplement interactions in our dataset.

Buying guide

What to look for on the label

  • Glycine

    • Glycine powder (slightly sweet, dissolves in water)

FAQ

Common questions

When is the best time to take Glycine?

Bedtime. About 3 g before bed for sleep quality.

Should Glycine be taken with food?

It can be taken with or without food. About 3 g before bed for sleep quality.

Sources

References

  1. 01Bannai M et al. The effects of glycine on subjective daytime performance in partially sleep-restricted healthy volunteers. Front Neurol 2012.