In 1990, the US Congress passed an omnibus crime bill, the Crime Control Act of 1990, that amended the Federal Food, Drug, and Cosmetic Act, that classified anabolic steroids as controlled substances and added a new section that stated that a person who "knowingly distributes, or possesses with intent to distribute, human growth hormone for any use in humans other than the treatment of a disease or other recognized medical condition, where such use has been authorized by the Secretary of Health and Human Services" has committed a felony
Both are investigational compounds studied only inside monitored clinical trials, and any material sold under either name outside those trials is a research-use-only chemical of unverified identity, with no established or approved human dose
This distinction protects patients from contamination risks during preparation
This is where we need to separate exciting scientific research from proven human medicine
(PMC) On top of that, theres active interest in combination approaches to improve the quality of weight loss (more fat loss, less lean mass loss)