GHK-Cu sits on different footing entirely, its widely used in topical and cosmetic formulations and was never part of the Category 2 restriction, so it isnt affected by this timeline
For background and my updated recommendations, see my extended look at vitamin B12 in the related posts below
copper accumulation with high-dose GHK-Cu Recommended monitoring labs / IGF-1, fasting glucose, HbA1c, serum copper, ceruloplasmin Regulatory status / both are research peptides
See our BPC-157 guide and TB-500 guide for complete protocols
It reduces sleep onset time and increases time spent in slow-wave (deep) sleep
Common glycols include propylene glycol, butylene glycol, and pentylene glycol