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Glutathione is a powerful antioxidant naturally present in the body
Older adults may aim to maintain B12 levels as absorption naturally declines with age
But they engage different receptor systems , sit at different evidence tiers , and carry very different regulatory status
doi: 10.1016/j.bbamcr.2016.01.023 47 CalvaniMRedaEArrigoni-MartelliE
They are chemically distinct: copper binding alters charge, conformation, and the chemistry researchers are usually probing, so the two are not interchangeable in experimental design
J Nutr Sci Vitaminol (Tokyo)
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