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The American Journal of Clinical Nutrition, ISSN 0002-9165, 2006, Volume 84, Issue 2, pp. 361 - 370
BACKGROUND: Vitamin B-12 deficiency is associated with cognitive impairment in older people. However, evidence from randomized trials of the effects of vitamin... 
Vitamin B-12 deficiency | Oral supplementation | Cognitive function | Elderly | cognitive function | DEPRESSION | FOLATE-DEFICIENCY | DEMENTIA | elderly | oral supplementation | METHYLMALONIC ACID | SERUM | ELDERLY-PEOPLE | IMPAIRMENT | SUPPLEMENTATION | NUTRITION & DIETETICS | vitamin B-12 deficiency | COBALAMIN DEFICIENCY | PLASMA HOMOCYSTEINE | Memory - drug effects | Folic Acid - pharmacology | Folic Acid - therapeutic use | Methylmalonic Acid - blood | Vitamin B 12 Deficiency - blood | Humans | Male | Vitamin B 12 - therapeutic use | Cognition Disorders - prevention & control | Cognition Disorders - etiology | Vitamin B 12 Deficiency - complications | Aged, 80 and over | Cognition - physiology | Female | Drug Therapy, Combination | Double-Blind Method | Administration, Oral | Vitamin B 12 - pharmacology | Homocysteine - blood | Psychomotor Performance - drug effects | Cognition - drug effects | Vitamin B 12 Deficiency - drug therapy | Transcobalamins - analysis | Transcobalamins - metabolism | Aged | Dietary Supplements | Memory - physiology | Disability | Care and treatment | Research | Health aspects | Vitamin B12 deficiency | Folic Acid/pharmacology/therapeutic use | Methylmalonic Acid/blood | Psychomotor Performance/drug effects | Administration; Oral | Cognition/drug effects/physiology | Vitamin B 12 Deficiency/blood/complications/drug therapy | Cognition Disorders/etiology/prevention & control | Memory/drug effects/physiology | Transcobalamins/analysis/metabolism | Aged; 80 and over | Drug Therapy; Combination | Homocysteine/blood | Vitamin B 12/pharmacology/therapeutic use
Journal Article
Journal of Nutrition, ISSN 0022-3166, 06/2017, Volume 147, Issue 6, pp. 1094 - 1103
Journal Article
Journal Article
CHEMICAL SOCIETY REVIEWS, ISSN 0306-0012, 2013, Volume 42, Issue 16, pp. 6605 - 6619
Vitamin B-12 plays a key role in many metabolic processes occurring in all mammals. Over the years its biological role has been extensively studied generating... 
HYDROPHOBIC VITAMIN-B-12 | B-12 | C-13 | DERIVATIVES | CHEMISTRY, MULTIDISCIPLINARY | COBINAMIDES
Journal Article
Journal Article
American Journal of Clinical Nutrition, ISSN 0002-9165, 09/2007, Volume 86, Issue 3, pp. 718 - 727
Journal Article
EXPERIMENTAL BIOLOGY AND MEDICINE, ISSN 1535-3702, 11/2007, Volume 232, Issue 10, pp. 1266 - 1274
The usual dietary sources of vitamin B-12 are animal foods, meat, milk, egg, fish, and shellfish. As the intrinsic factor-mediated intestinal absorption system... 
MEDICINE, RESEARCH & EXPERIMENTAL | MICROBIOLOGICAL ASSAY | PURPLE LAVER | FISH SAUCE | COMPOUND | food source | ALGAL HEALTH FOOD | vitamin B-12 | cobalamin | deficiency | bioavailability | PURIFICATION | CORRINOID-COMPOUNDS | EDIBLE CYANOBACTERIUM | ORAL VITAMIN-B-12 | human | B-VITAMINS
Journal Article
American Journal of Clinical Nutrition, ISSN 0002-9165, 07/2011, Volume 94, Issue 1, pp. 313S - 321S
Journal Article
Journal Article
American Journal of Clinical Nutrition, ISSN 0002-9165, 01/2016, Volume 103, Issue 1, pp. 250 - 257
Journal Article