Retatrutide Was $150 Now $100 Sale Retatrutide is a lyophilized peptide for in vitro use. Studied for its triple-agonist effect on GLP-1, GIP, and glucagon receptors in metabolic and weight regulation research. Quantity Enter an amount $ Add to Cart Add to Cart You may also like Sale Tesamorelin $70 Sale GHK-CU $45