Consulting a peptide half-life chart before initiating these protocols prevents the common error of applying short-acting dosing schedules to long-acting compounds
doi:10.1016/0887-8994(93)90007-y [61] Weaver LT, Rosenthal SR, Gladstone W, Winter HS
Negash, E., Belachew, T., & Tamiru, D
The pill is taken by mouth once daily and the injection is administered once weekly under the skin in the abdomen, thigh, or upper arm
A newer 2026 development-focused review describes major formulation, pharmacokinetic, and translation barriers that remain unresolved
Analysts at the time were bullish about these findings, with BMO Capital Markets noting that orforglipron achieved injectable like efficacy. Study participants also lost 7.9% body weight after orforglipron treatment, as compared with 1.6% in placebo