The vial itself comes out of a US-based, FDA-regulated 503A compounding pharmacy and gets third-party tested before it ships
They do not establish standardized dosing, efficacy, or long-term safety
This single change fixes more stalls than anything else we see
These appear to implicate hitherto unrecognized metabolic mechanisms induced by fasting: antioxidative defense (ergothioneine, OA, carnosine), enhanced mitochondrial activity (organic acids in the TCA cycle), increased purine and pyrimidine anabolism, pentose phosphate pathway (sedoheptulose-7-phosphatase, pentose phosphate), and remodeling of signaling (hydroxybutyrate)
Yoshinori Abe advises, "GLP-1 users should track body composition, waist size, strength, and metabolic labs rather than weight or BMI alone, since BMI cannot show fat versus muscle." Pay attention to your physical strength as well