Step 1: Clean everything Wipe the rubber stoppers on both vials (retatrutide and bacteriostatic water) with separate alcohol swabs
A "COA" generated in-house by the vendor is a self-report, not third-party verification
Its selectivity for NNMT (IC50 values in the low micromolar range) means it increases NAD+ by preserving nicotinamide availability rather than directly supplementing NAD+ precursors
We further identified that HZRG enhanced fecal BA excretion via inhibiting IBAT, and the modulation of BA profiles, gut dysbiosis as well as the intestinal environment all contributed to the beneficial effects of HZRG on NASH mice
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In the Phase 2 clinical trial (NEJM, 2023), retatrutide was administered subcutaneously at doses ranging from approximately 0.5 mg to 12 mg per week, with dose escalation under close medical supervision