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Amino acid

Glycine

Glycine is the simplest amino acid. The body can make it itself, and it is abundant in collagen and other protein-rich foods.

Also listed as 2-Aminoacetic acid, L-Glycine

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A familiar food ingredient, not just a powder

Food and the body’s own production both contribute to glycine supply. Norway’s VKM risk assessment cites an estimated average dietary intake of 3.2 g daily in US adults; that is an intake estimate, not a recommended supplement dose. 1

Dried pumpkin and squash seed kernels

0.522 g glycine1 oz (28.35 g)USDA SR28 entry 12014 lists 1.843 g per 100 g. 2

Sources