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$32.90
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Centenarius Nutrition proudly presents our pharmaceutical-grade Glycine, sourced directly from Japan. This amino acid supports nervous system function, aids muscle growth, helps you feel calm and relaxed, and promotes deep, restful sleep.* Although classified as “non-essential,” glycine is the most abundant amino acid in the body and is c
4.7
40 ratings
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Calming
I was surprised at how clean the ingredients are an incredibly calming. I take half a scoop in the morning and half a scoop in the evening along with the magnesium capsules.
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Bita · March 29, 2026
Glycine
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Amina · June 4, 2026
Better Sleep
I love this product and use it nightly about an hour before bed. It allows me to fall asleep and stay asleep.
