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Vegans and vegetarians are more at risk because B12 mostly comes from animal products

In experimental systems, the combination is studied as a model for examining how complementary peptide signaling pathways influence tissue remodeling and cellular repair responses

SS-31 binds to cardiolipin, a key phospholipid that maintains mitochondrial structure and function

In the meta-analysis conducted by Jung et al

The question is how confidently those effects translate to humans at the doses being used, through the delivery routes being used, over the time periods being used