No. Both medicines are made by Eli Lilly, but they contain different active ingredients and work differently.
Foundayo contains orforglipron and works on the GLP-1 receptor. It is taken as a tablet once daily. Mounjaro contains tirzepatide and works on both GIP and GLP-1 receptors. It is given as an injection once weekly.
Mounjaro produced greater average weight loss in its own clinical study, while Foundayo offers a needle-free option that can be taken without food or water restrictions. These results come from separate trials, so they should not be treated as a direct head-to-head comparison.