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PARP-1 (poly-ADP-ribose polymerase 1) is a DNA repair enzyme that consumes NAD + to synthesize poly-ADP-ribose chains at damage sites
Who Shouldnt Take Vitamin B12 Shots If you have certain medical conditions, supplementing with vitamin B12 injections could be dangerous (4)
Elderly people due to impaired intestinal absorption and children, premenopausal women, and pregnant women whose diets are low in animal foods are all at increased risk
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