Volume can typically stay higher than during unsupported dieting
Under section 503B of the Federal Food, Drug, and Cosmetic Act, large outsourcing facilities may only compound from bulk active ingredients in two situations: the ingredient appears on the 503B bulks list, meaning FDA has found a clinical need for it, or the finished drug sits on FDA's shortage list at the time of compounding
Tirzepatide compounded with B12 will have a pink or reddish tint from the B12, so this test applies primarily to plain tirzepatide formulations
TrimRx and similar providers sit in this range, which is part of why they appeal to cash-pay patients
Third-party testing: Do they test for potency and sterility
Microdose tirzepatide, $269 / monthly supply