They are commonly delivered via injection, nasal spray, or topical formulation
doi: 10.1210/er.2015-1104, PMID: [DOI] [PMC free article] [PubMed] [Google Scholar] 33.Kim SY, Sung YA, Ko KS, Cho BY, Lee HK, Koh CS, et al
There is no official link between these compounds and specific adverse event reports in the UK at this time, but the absence of reported harm does not confirm safety
Chandyo RK, Ulak M, Kvestad I, Shrestha M, Ranjitkar S, Basnet S, Hysing M, Shrestha L, Strand TA
GLP-1's are peptides, and so is insulin to name just two of the many that are FDA-approved
Institutions like the Mayo Clinic and Cleveland Clinic emphasize that while Vitamin B12 for weight loss is popular, theres no strong clinical evidence that injections help shed pounds in people with normal B12 levels