How Vitamin B12 interacts with Antibiotics
Interaction Type: Depletions
Interaction Rating: Study Supported

Studies have reported that the use of antibiotics is known to decrease the beneficial bacteria in the digestive tract, which may decrease the amount of the vitamin B12 that is normally made. Supplementation with the affected nutrient may be necessary.(1), (1)
These drugs include Aminoglycosides, Cephalosporins, Fluoroquinolones, Quinolones, Macrolides, Penicillins, Sulfonamides, Tetracyclines, Trimethoprin-containing antibiotics, Carbapenems, Monobactams, chloramphenicol, spectinomycin, Streptogramins, vancomycin, Oxalodinones, Lincosamides, Nitrofurans.
 
References
  1. View Abstract:  Cummings JH, Macfarlane G. Role of Intestinal Bacteria in Nutrient Metabolism J Parenter Enteral Nutr. 1997;21(6):357-65.
  2. Deguchi Y, Morishita T, Mutai M. Comparative Studies on Synthesis of Water-soluble Vitamins Among Species of Bifidobacteria. Agric. Biol. Chem. 1985;49(1):13-19.
This information is educational in context and is not to be used to diagnose, treat or cure any disease. Please consult your licensed health care practitioner before using this or any medical information.
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