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Deficiency is particularly common in elderly people, because the ability to absorb vitamin B12 can decrease with age ( Other people at risk of deficiency include those who have had intestinal surgery, including weight loss surgery

ICH analytical guideline UK Accreditation Service

DSIP interacts with endogenous receptor systems and has been investigated for its influence on the hypothalamicpituitaryadrenal axis, positioning it as a signaling pathway modulator in stress-response and neuroendocrine research models [1]

Continued research and well-designed clinical trials are essential to validate its benefits and ensure its safe application in medical practice