can b12 injection be given in buttocks Best Vitamin Site: Administering B12 Shots Buttock injection Vitamin b1,b6,b12 "Becobion"
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A 2020 study published in Environmental Research found that children and adolescents with higher vitamin B12 levels were less likely to be obese 5

GHK-CU provides some benefit for hair through general tissue support and scalp health, but AHK-CU is specifically designed for hair restoration with targeted mechanisms

The recommended dietary allowance of vitamin B12 for teens and adults 14 and up is 2.4 mcg

(PubMed) Simon JA, Hudes ES
