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ghk-cu skin benefits research Uses and #ghk is a naturally occurring peptide in human plasma that declines with age. When used in injections (usually subcutaneous), it can offer various benefits: Rejuvenation and Anti-Aging How Much GHK-Cu Should You
Description
Its a direct consequence of how the compound works

Mice were divided into GHK-Cutreated and saline-treated groups, along with wild-type controls

bmj (2015) 350
A few specific groups could greatly benefit from injections since they are more likely to suffer from a vitamin B12 deficiency: Senior Citizens The bodys capacity to absorb B12 from diet might diminish with age, thus for many seniors, injections are a necessary choice