retatrutide unauthorized sales May 11, 2026: Connecticut AG's crackdown leads to major platform halting of “research grade” weight loss chemicals to U.S. – Partnership for Safe Medicines TikTok influencers fuelling parallel market

Glycemic Outcomes Participants in combination studies showed meaningful reductions in HbA1c, often exceeding 1.5 percentage points from baseline

That point matters

Dieticians say people taking GLP-1 drugs need to read ingredient lists and talk to experts about what nutrients they needand dont need, wrote the outlet

In another study, participants were placed on a low-carbohydrate diet after stopping the medication, and the researchers reported that they maintained their weight loss

They also typically include vitamin B12, which supports energy production and helps preserve lean muscle mass during weight loss

It is illegal to sell medicinal products containing Melanotan 2 in the UK, but as the tanners are sold cosmetically they fall outside that remit