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10.1016/j.ejphar.2019.01.030 106 SeverM.KlicekR.RadicB.BrcicL.ZoricicI.DrmicD.et al (2009)

It's estimated that between 10 percent and 30 percent of people older than 50 produce too little stomach acid to release B12 from its carrier protein in foods

Subcutaneous injection Subcutaneous administration involves injecting just beneath the skin, typically into the fatty tissue of the abdomen, thigh, or upper arm

It has also shown promise in cardiac tissue repair and neuroprotection

In neuroendocrine models, DSIP influences hormone release dynamics, particularly those linked to circadian and sleep-associated processes [4]