High-Dose Compared with Low-Dose Vitamin B-12 Supplement Use Is Not Associated with Higher Vitamin B-12 Status in Children, Adolescents, and Older Adults

Systematic review with dose-response meta-analyses between vitamin B-12 intake and European Micronutrient Recommendations Aligned’s prioritized biomarkers of vitamin B-12 including randomized controlled trials and observational studies in adults and elderly persons

(2012) Carla Dullemeijer et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

A Vitamin B-12 Supplement of 500 μg/d for Eight Weeks Does Not Normalize Urinary Methylmalonic Acid or Other Biomarkers of Vitamin B-12 Status in Elderly People with Moderately Poor Vitamin B-12 Status

(2012) Marilyn H. Hill et al.   JOURNAL OF NUTRITION

Biomarkers of vitamin B-12 status in NHANES: a roundtable summary

(2011) Elizabeth A Yetley et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Vitamin B-12 and homocysteine status in a folate-replete population: results from the Canadian Health Measures Survey

(2011) Amanda J MacFarlane et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Daily intake of 4 to 7 μg dietary vitamin B-12 is associated with steady concentrations of vitamin B-12–related biomarkers in a healthy young population

(2010) Mustafa Vakur Bor et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Dietary sources of vitamin B-12 and their association with plasma vitamin B-12 concentrations in the general population: the Hordaland Homocysteine Study

(2009) Anna Vogiatzoglou et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Maternal Vitamin B12 Status and Risk of Neural Tube Defects in a Population With High Neural Tube Defect Prevalence and No Folic Acid Fortification

(2009) A. M. Molloy et al.   PEDIATRICS

Association between vitamin B12-containing supplement consumption and prevalence of biochemically defined B12 deficiency in adults in NHANES III (Third National Health and Nutrition Examination Survey)

(2009) Marian L Evatt et al.   PUBLIC HEALTH NUTRITION