US$ 20.43
what does ahk-cu do Copper Peptide Hair Serum 4800mg Cu peptides are Synthesized and Lyophilized in the USA. Wholesale AHK-CU + GHK-CU Hair
Description
Side effects are typically rare and mild, such as slight pain at the injection site or mild dizziness

Dietary vitamin B 12 2 deficiency consider oral vitamin B 12 replacement

Dermatological reactions represent the most consistently documented side effect of excessive B12 intake

You'll need 2 injections of ~25 units each to get your full 5 mg dose
