feeling worse after b12 injections Common & Rare Side Effects of Vitamin why do i feel worse

Higher Potency: Certain health conditions, like vitamin B12 deficiency or chronic fatigue syndrome, may require higher doses that oral supplements can't provide effectively

Illicit drug use is another lifestyle factor that can negatively influence Vitamin B levels

Most patients who combine both report improved metabolic outcomes

Vitamin B12 Medicine Interactions Chloramphenicol: bacteriostatic antibiotic can interfere with red blood cell response to supplemental Vit B12 Proton pump inhibitors: omeprazole and lansoprazole, etc., slow gastric acid release and may interfere with VIt B12 absorption from food H2-receptor antagonists: cimetidine, famotidine and ranitidine slow the release of hydrochloric acid into the stomach and interfere with Vitamin B12 absorption from food Metformin: might reduce absorption of Vitamin B12 due to altered intestinal motility, increased bacterial overgrowth, etc