View at PubMed Falutz J, Allas S, Blot K, et al
They are not approved by the FDA for human use outside of clinical trials and are not legally sold as dietary supplements or over-the-counter drugs
Some providers recommend thyroid function and liver/kidney screening
Originally developed and FDA-approved for treating HIV-associated lipodystrophy (excess visceral fat), tesamorelin has since gained traction in bodybuilding for its ability to: Elevate IGF-1 levels, enhancing muscle protein synthesis and recovery Reduce visceral and subcutaneous fat, leading to a leaner physique Preserve lean muscle mass, especially during calorie deficits Support tissue repair, collagen turnover, and joint health In short, tesamorelin acts as a growth hormone booster that creates an anabolic environment favorable for bodybuilders chasing fat loss, recovery, and physique enhancement
This hypothetical adverse effect, although not clinically reported until now, is analogous to the hypothalamic-pituitary axis suppression seen with long-term use of systemic corticosteroids Exacerbation of Helicobacter pylori associated peptic ulcers: Helicobacter pylori is known to feed on macrophages and neutrophils abundant at the site of inflammation caused by the ulcer