Its levels decrease due to aging, stress, toxin exposure, and not inadequate nutrition
Storage and Handling Requirements To preserve the delicate peptide bonds within the Sermorelin & Ipamorelin 10mg Blend , the lyophilized vial should be stored at -20C for extended preservation
It's best to avoid drinks high in caffeine or tannins, like coffee and tea, as they can hinder iron absorption
## 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)
The blend is presented for research and educational purposes only
The newer Egrifta WR formulation delivers 1.28 mg (0.16 mL) daily with the same efficacy but a smaller injection volume and easier preparation
