is ghk cu better topically or injected GHK-Cu actually worth it?” is genuinely one of the most common questions in my comments, so let me finally answer it properly. The short version: copper peptides have real research behind GHK-Cu Peptides Before and After:

It also noted that as B12 deficiency increased, so too did insulin resistance

The number of TEAEs was reported but was not specified as a study endpoint

Further Reading If you found this post on Gary Breckas peptides helpful, you may also like: Bryan Johnsons Peptide List The peptides the longevity-obsessed entrepreneur has tested, tracked, and in some cases dropped, with his data-driven reasoning for each

Allow time for full dissolution before preparing injections

I had to figure it out on my own and that resulted in a lot of bumps, cuts, and discomfort

Under hyperglycemic conditions, elevated diacylglycerol (DAG) activates protein kinase C (PKC)