title: Drugs, toxins and dietary amino acids affecting vitamin B12 or folic acid absorption or utilization.
mesh_terms: D000596:Amino Acids / Q000494:pharmacology*; D000748:Anemia, Macrocytic / Q000209:etiology; D003276:Contraceptives, Oral / Q000494:pharmacology; D004247:DNA / Q000096:biosynthesis; D004032:Diet; D000431:Ethanol / Q000494:pharmacology; D005492:Folic Acid / Q000378:metabolism*; D005493:Folic Acid Antagonists / Q000494:pharmacology*; D005494:Folic Acid Deficiency / Q000139:chemically induced; D005998:Glycine / Q000494:pharmacology; D006710:Homocysteine / Q000494:pharmacology; D006801:Humans; D008286:Malabsorption Syndromes / Q000209:etiology; D008715:Methionine / Q000494:pharmacology; D010600:Pharmacology; D012694:Serine / Q000494:pharmacology; D014118:Toxins, Biological / Q000494:pharmacology; D014805:Vitamin B 12 / Q000037:antagonists & inhibitors / Q000378:metabolism*
chemical_list: D000596:Amino Acids; D003276:Contraceptives, Oral; D005493:Folic Acid Antagonists; D014118:Toxins, Biological; D006710:Homocysteine; D000431:Ethanol; D012694:Serine; D004247:DNA; D005492:Folic Acid; D008715:Methionine; D014805:Vitamin B 12; D005998:Glycine