It is a synthetic peptide derived from a protective protein found in the stomach
Topical peptide products (the kind sold on Amazon, Sephora, or by direct-to-consumer brands) deliver lower doses through the skin barrier and produce milder, slower results focused on cosmetic improvement
A meta-analysis of randomized controlled trials found they can improve tendon structure, strength, and post-exercise recovery when combined with resistance training, though the quality of evidence remains moderate. Innovation is exciting, but recommending injectable, unregulated peptides to patients, without clinical validation should give us pause
Tirzepatide has no clear link to causing irregular heartbeats
The titration protocol exists because GLP-1 receptor agonists cause gastrointestinal side effects, primarily nausea, that are dose-dependent
refrigerate after opening