vit b1 b6 b12 injection Vitamin Nicotinamide at ₹ 6.50/vial | MVI Injection in Mohali Trust Armas Pharmaceuticals for superior thiamine replenishment Vitamin B1,B6,B12 Injection (Bion-12 Plus)

Several factors can impair B12 absorption: Reduced stomach acid production (achlorhydria or hypochlorhydria), common in older adults and those taking proton pump inhibitors or H2-receptor antagonists long-term, impairs the release of B12 from food proteins Pernicious anaemia , an autoimmune condition destroying parietal cells and reducing intrinsic factor production, completely blocks the primary absorption pathway Gastrointestinal disorders including Crohn's disease, coeliac disease, or surgical removal of stomach or ileum sections directly damage absorption sites Metformin , commonly prescribed for type 2 diabetes, may reduce B12 absorption through unclear mechanisms

Medical-grade B12 injections minimize risks and support predictable results

With SIBO, B12 made by the bacteria in the large intestine can migrate to the small intestine and get picked up by B12 transporters

So the danger is not that Prozac makes you get drunk faster in a simple pharmacokinetic sense