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Metformin , used in type 2 diabetes management, reduces B12 absorption through unclear mechanisms

Rather than forcing change, GHK-Cu reminds the body how to repair itself the way it did when we were younger, which is why its gaining attention not just in skincare, but also in regenerative and longevity medicine

Both Sensenbrenner et al

This may be related to its potential to decrease the burden of senescent cells

This is an area where the mechanism is well-characterized, the animal data is robust, and the safety profile appears favorable, but rigorous human trial data remains limited

Melatonin prevents postovulatory oocyte aging and promotes subsequent embryonic development in the pig