Question: how long for cjc 1295 to work?
Answer: With a single injection, in human subjects, CJC-1295 increases plasma GH levels by 2- to 10-fold for 6 days or longer and plasma IGF-1 levels by 1.5- to 3-fold for 9 to 11 days. The drug has an estimated half-life of about 6 to 8 days in humans.