In the world of weight-loss medications, theres a new one retatrutide that could be a game-changer in treating obesity and morbid obesity and improving blood sugar levels
For broader context on peptide categories, see our types of peptides

Pervej Alom Barbhuiya, Manash Pratim Pathak Current Obesity Reports .2026;[Epub] CrossRef DNA hypermethylation of choline kinases drives blockage of choline-phosphatidylcholine biosynthesis: lipidomic biomarkers and epigenetic insights of hepatic steatosis induced by arsenic Qiwen Fu, Qi Wang, Dingyi Song, Xingcheng Zhou, Hualin Chen, Shaofeng Wei, Lu Ma BMC Medicine .2026;[Epub] CrossRef Comments on Long-term serum ferritin dynamics in patients receiving antiviral treatment for hepatitis C virus infection Preeti Lamba Journal of the Formosan Medical Association .2026;[Epub] CrossRef Association between triglyceride glucose-body mass index and metabolic dysfunction-associated steatotic liver disease in South Korean pregnant women Yuqin Shen, Dongqian Yang, Li Zhang, Rong Shuai Scientific Reports .2026;[Epub] CrossRef Combined effect of MASLD and low muscle strength on the risk of osteoporotic fractures: A UK Biobank cohort study Yongin Cho, Jong Hyun Jhee, Jong Ho Jhee, Hye-Sun Park European Journal of Endocrinology .2026

Because of its mode of action, the peptide can increase the expression of pituitary gland-based growth secretion in experimental animals
Twenty-five units from a 5 mg/mL vial is 1.25 mg