When blood glucose rises after a meal, GLP-1 and GIP both stimulate insulin secretion from pancreatic beta cells
Certain individuals are more likely to develop B12 deficiency, including those with: Pernicious anemia Gastrointestinal conditions (such as Crohns disease or celiac disease) A history of gastrointestinal surgery Difficulty absorbing nutrients due to age or other medical conditions For these patients, vitamin B12 injections are an effective option because they deliver the nutrient directly into the bloodstream, bypassing the digestive system and ensuring optimal absorption
Six trials involving approximately 900 participants confirmed no treatment-related serious adverse events, no IGF-1 elevation, no cardiovascular events, and no immunogenic response
Assessments were performed immediately after treatment and after 12 weeks
Key 2026 Updates for CPT 96372: Code Status: CPT 96372 is unchanged in the AMA CPT 2026 code set
3.4 Changes in serum homocysteine by supplementation route and dosage Analysis of 10 comparisons showed that vitamin B12 supplementation was associated with a mean reduction of 35.8% in serum homocysteine concentrations (Supplementary Table S5)
