A 2018 study in Scientific Reports showed that GHK-Cu activated Wnt/beta-catenin signaling in human hair follicle dermal papilla cells, stimulating follicle growth in culture
Other experts, on the other hand, recommend a minimum of 1000mcg - 1500mcg of B12 daily for under 65, while the RDI is set at a mere minimum of 2.4mcg to 2.8mcg daily
Inositol supports the bodys insulin function, which helps control blood sugar levels
I realize that's a bit of a woo-woo explanation, and didn't actually involve me gut testing for inflammatory markers like calmodulin or lactoferrin, but from an N=1 standpoint, it certainly seemed to me as a quite viable option for anyone who struggles with irritable bowel issues or gut inflammation
Pharmacol Biochem Behav 36:203205 Tudor M, Jandric I, Marovic A et al (2010) Traumatic brain injury in mice and pentadecapeptide BPC 157 effect