b12 injections two types different of vitamin Vitamin Injections Explained: Benefits, Process & Results How to Choose the Right

They have no incentive to do more study as expiry dates mean unused ones will be thrown away to be replaced by newly made ones

This is easily one of the most exciting parts and a question we get all the time

What the Published Data Shows Across the research literature, B12 deficiency rates after bariatric surgery fall in the following ranges (3): Roux-en-Y gastric bypass: approximately 2% to 80%, depending on follow-up duration and supplementation Sleeve gastrectomy: 0% to 36.4%, with deficiency often emerging up to two years post-surgery Biliopancreatic diversion with duodenal switch: highest rates, often requiring lifelong parenteral supplementation Weight loss medications: up to 2.6% incidence within one year of treatment These are wide ranges because research has pooled studies with very different follow-up windows and supplementation regimens

J Hum Clin Gen