The peptide fragments are all below 10 kilodaltons in size, which allows them to cross the blood-brain barrier, a feat that most neurotrophic factors cannot accomplish on their own
REDEFINE 1 included 3,417 participants with overweight or obesity but without diabetes (mean age, 47 years
M.HalpernD.WidmerE.MoreillonP.PoquetI.et al
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
2019;144:323327.e7