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Can I request samples or a pilot batch of GHK-Cu 50 mg, BPC-157 Pen device with Cartridge Box (R&D Only)

Zhang H, Wang Y, He Z

Whether you are brand new to peptide research or switching from syringes to a pen system, the information here will save you time, money, and frustration

He takes NMN powder sublingually but does not mention taking NR sublingually
Its obviously not practical for individual consumers to test the purity of peptides themselves, but they can buy BPC-157 from a peptide shop that does
Sometimes, you only need extra B12 for a short time
