## Choosing Your GLP-1 Peptide for Bodybuilding Fat Loss | Goal | Best GLP-1 Peptide | Why | |------|-------------------|-----| | **Maximum fat loss** | Retatrutide | Triple agonist highest % body weight reduction in trials | | **Best-studied option** | Semaglutide | Largest clinical trial program, longest track record | | **Muscle-sparing fat loss** | Tirzepatide | GIP receptor may support lean mass preservation | | **Body recomposition** | Retatrutide | Glucagon receptor drives fat oxidation while GIP supports partitioning | | **Contest prep** | Tirzepatide or Retatrutide | Better body composition profiles than semaglutide alone | For a comprehensive comparison of all available fat loss peptide injections, see our [best weight loss injection guide for 2026](/guides/best-weight-loss-injection-2026-complete-guide) and our complete [GLP-1 for weight loss guide](/guides/glp1-for-weight-loss-complete-guide-2026)

By comparison, 38.7 percent were shot by beauty bloggers and another 33.7 percent by patients and consumers
This treatment is expected to lower oxidative stress, DNA damage, malignant transformation, and to protect against age-associated skin oxidative damage
I do think thats going to be the case
Recommendations are always based on your goals, medical history, and whether peptide therapy actually makes sense as part of your overall care, not just because its available