Absence of head-to-head human comparison There is no published human study that directly compares injectable GHK-Cu against topical GHK-Cu for any skin endpoint
Sakurauchi, Y., Matsumoto, Y., Shinzato, T., Takai, I., Nakamura, Y., Sato, M., Nakai, S., Miwa, M., Morita, H., Miwa, T., Amano, I., and Maeda, K
Ultra processed foods contain a lot of additives, preservatives, artificial flavours, gums, and refined flours that put even more pressure on a digestive system that is already damaged
Many people who have used a GLP-1 medication already know how to give subcutaneous (SubQ) injections
The syringe is filled to the desired amount for proper dosing
A regular Western Diet provides about 3 g of glycine per day while the endogenous synthesis rate is estimated to generate approximately 1.53 g per day (Melendez-Hevia et al., 2009)