Which therapy need to I choose, Wegovy or Mounjaro? Wegovy and Mounjaro are both of those weekly injection pens and work in similar ways to support weightloss. Mounjaro has verified simpler in scientific trials, as it really works on GLP-1 and GIP hormones, Whilst Wegovy only operates on GLP-1. Nonetheless, Mounjaro is a new drugs in britain so we