How DSIP might act in the body DSIP is discussed as a brain-active peptide, but its exact receptor picture is still unclear
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If you don't eat animal products, or you have a medical condition that limits how well your body absorbs nutrients, you can take vitamin B12 in a supplement or eat plant-based foods fortified with B12
those not consuming these foods are at higher risk for deficiency
PMCID: PMC6787556