I will cover: What vitamin B12 actually does in the body Why do different bariatric procedures cause B12 deficiency in different ways How common the deficiency is, and why it is often missed The connection between B12, homocysteine, and clotting risk How I test for deficiency and what the results mean My two-tier supplement framework and where vitamin B12 fits The different supplementation options and when I use each When I delay surgery for B12 deficiency How vitamin B12 is managed through the perioperative period This article is part of my broader approach to vitamins and supplements before and after abdominoplasty (tummy tuck), which covers the full protocol across every nutrient I treat
Twins with higher serum vitamin D concentrations had longer leukocyte telomere length
Yes, all of our compounded medications require a prescription from a licensed healthcare provider
Nitric oxide donors suppress erythropoietin production in vitro
Mir Ali, M.D., a bariatric surgeon and medical director of MemorialCare Surgical Weight Loss Center at Orange Coast Medical Center in Fountain Valley, CA
Semaglutide , an active ingredient in medications like Ozempic and Wegovy, is a once-weekly injection that helps regulate blood sugar, reduce cravings, and support steady, achievable weight loss