First, the human RCT footprint is thinner than the mechanism literature
Frequency depends on the selected injection, your goals, and provider guidance
(PubMed) Shaw GM, Finnell RH, Blom HJ, et al
A meta-analysis of cognitive impairment and decline associated with adjuvant chemotherapy in women with breast cancer
The Phase 2 dose-finding trial (N=338), published in the New England Journal of Medicine in 2023 (DOI: 10.1056/NEJMoa2301972), randomized participants with obesity (BMI 30-50) to retatrutide at doses ranging from 0.5mg to 12mg weekly or placebo over 48 weeks
As patient interest grew, so did the online market for GHK-Cu products