ghk-cu clinical trials – Peptide Foundry GHK-Cu Repairing Serum 30ml –
Description
I would recommend this product and company

And maybe you could share with us what your intermittent fasting protocol is

However, most can also be administered via an oral drench, something thats useful if you only have a few individual animals that need to be treated

Medizinische Monatsschrift fur Pharmazeuten 2014;37:299

This may improve semen quality