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NOW glycine pure powder, inhibitory neurotransmitter for sleep physiology and collagen

Glycine (pure powder)

Major inhibitory neurotransmitter in the spinal cord, and structurally required at every third position of the collagen triple helix, making it relevant to both sleep physiology and connective tissue repair simultaneously.

The nervous-system amplifier used at night. Better sleep means better recovery. Mildly sweet, dissolves easily.