Kolterman OG, Kim DD, Shen L, et al
Therefore, given the low quality of evidence for efficacy and unresolved concerns for serious AEs of chronic administration, the Work Group concluded that there is insufficient evidence to recommend use of vitamin C (ascorbate) in the management of anemia in patients with CKD
They compared patients taking glucagon-like peptide-1 receptor agonists (GLP-1 RAs), most commonly semaglutide, liraglutide, or dulaglutide, to those on a different class of diabetes medication
You can safely combine vitamin C and glutathione, and they actually work synergistically
Without continued lifestyle changes, weight regain is likely