does b12 help with nausea from semaglutide B12: A Dual Approach to Weight Loss and Energy Semaglutide with B12 for Weight

Purity and correct identity vary widely between suppliers, and an impure or mislabeled peptide will produce misleading results no matter how sound the study design

The inclusion of a bacteriostatic agent allows for reduced microbial proliferation under appropriate laboratory conditions

1 Thus, numerous studies have used biotechnology to extend the half-life of GLP-1 RAs, with strategies including amino acid sequence substitution, fatty acid conjugation with a linker, fusion of albumin or the IgG fragment crystallizable (Fc) region (Figure 1)

If it's someone without obesity and diabetes, personally, at this stage, I will go with other medications that either have FDA approval or at least very solid evidence of efficacy from RCTs rather than going with the GLP-1 RA, at least until I see more definitive data from randomized clinical trials