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Unlike muscles or skin, discs have very limited blood supply
When absorption is reduced Malabsorption means the body cannot absorb vitamin B12 normally through the digestive system
Not for human consumption, medical use, household use, or veterinary application
AHK-Cu (alanine-histidine-lysine copper) has some published evidence for cosmetic formulation use, but lacks GHK-Cus documented gene expression data, wound healing evidence base, and 50+ year research history
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