Thymosin beta 4 is unusual in this compound class for having controlled human data, RGN-259 ophthalmic solution has been assessed in randomised, placebo-controlled, double-masked Phase 2 and Phase 3 trials in severe dry eye and neurotrophic keratopathy (Sosne et al., Cornea 2015 and Int J Mol Sci 2023)
Dilution for Injection: It can also dilute liquid concentrates (such as certain hormone or fertility drugs) to the correct dose before injection
This feature makes Healthletics version especially attractive to those who prefer not to rely on injections, compounding pharmacies, or specialized protocols
CJC-1295, ipamorelin, TB-500, and most of the other peptides on the standard influencer stack are banned too
The exact mechanism isn't fully mapped out, but it's thought to involve minoxidil sulfate (the active metabolite produced when minoxidil is converted in the body) interacting with follicle cells to delay the transition from anagen to the resting phase