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GHK-Cu should be avoided during pregnancy or breastfeeding, in active cancer or untreated solid tumors, in Wilson's disease or other copper-handling disorders, and in known copper allergy
Discontinue and reassess if shedding seems disproportionate to expected adjustment
Dietary Source of Vitamin B12 The recommended daily intake (RDA) of vitamin B12 for adults is 2.4 micrograms (g)
It circulates at relatively high concentrations when you're young, around 200 ng/mL in your 20s , and drops steadily with age, reaching roughly 80 ng/mL by your 60s
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