Its not about masking symptoms
Peptides in this space can fall under prohibited categories in regulated sport, and status changes over time
Initial studies in rats caused concerns over GLP-1 RAs causing thyroid cancer, but human studies are less clear on whether it is a concern.[ref] Decreased risk of substance abuse: A large 2026 study using data from the VA showed that GLP-1 RA drugs reduce the risk of developing a substance addiction (drugs, alcohol)
Lipworth B, Skinner D, Devereux G, Thomas V, Ling Zhi Jie J, Martin J, et al
L-carnitine itself is a beneficial nutrient
When Four Corners asked the clinic that provided Rachel Carbonell with a prescription if its online offering of "peptide therapy" was legal, the clinic said it was, because the website "did not advertise any specific prescription" and that "booking a consultation did not guarantee that any medicine would be prescribed"