Glycine

Hormones · In Sleep

Photo: glycine, a white crystalline powder, in a glass dish
Image: SPOTzillah, CC BY-SA 4.0, via Wikimedia Commons

Food or supplementMeasured in people, not heightBy mouthNutrient

A building block of protein, taken before bed for sleep.

An amino acid, taken before bed for sleep. Magnesium bisglycinate carries glycine as its other half, in less than the sleep trials used.

Risks. Tolerated in adult trials at far larger amounts than people take for sleep. None of the trials was in children.

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