US$ 29.81
ghk-cu dosage oral and Protocol: A Medical Provider's Guide to the 30-Day Cycle GHK-Cu Dosage: A Doctor's Guide
Description
Zeng Z, Huo X, Zhang Y, Xiao Z, Zhang Y, Xu X

This is the straight answer

Plus I think I need to inject more NAD+ per day to see the benefits and that would be too costly and too much time

They can also offer guidance on maintaining optimal B12 levels through diet and lifestyle modifications