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They operate on different cell types, through different receptor systems, affecting different physiological processes
Especially if youre vegetarian or vegan, on certain medications (like metformin or antacids), have gut issues, or are simply burned out from lifeits likely that youre low
Benefits Glycine What it is A naturally occurring amino acid involved in a wide range of physiological functions, including collagen production and neurotransmission
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Symptoms can include: Muscle weakness or cramping Irregular heartbeat Unusual tiredness
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