Results 1 to 10 of about 40,513 (41)

Proton Pump Inhibitors, H2-Receptor Antagonists, Metformin, and Vitamin B-12 Deficiency: Clinical Implications.

Advances in Nutrition, 2018
There is clear evidence that proton-pump inhibitors (PPIs), H2-receptor antagonists (H2RAs), and metformin can reduce serum vitamin B-12 concentrations by inhibiting the absorption of the vitamin.
Joshua W. Miller
semanticscholar   +1 more source

How common is vitamin B-12 deficiency?

American Journal of Clinical Nutrition, 2009
In considering the vitamin B-12 fortification of flour, it is important to know who is at risk of vitamin B-12 deficiency and whether those individuals would benefit from flour fortification.
L. Allen
semanticscholar   +1 more source

Long term treatment with metformin in patients with type 2 diabetes and risk of vitamin B-12 deficiency: randomised placebo controlled trial

British medical journal, 2010
Objectives To study the effects of metformin on the incidence of vitamin B-12 deficiency (
J. de Jager, A. Kooy, P. Lehert, M. G. Wulffelé, J. van der Kolk, D. Bets, J. Verburg, A. Donker, C. Stehouwer   +8 more
semanticscholar   +1 more source

Methylmalonic Acid and Homocysteine as Indicators of Vitamin B-12 Deficiency in Cancer

PLoS ONE, 2016
Background/Aims Normal or high serum vitamin B-12 levels can sometimes be seen in a B-12 deficient state, and can therefore be misleading. High levels of Methymalonic Acid (MMA) and Homocysteine (HC) have been identified as better indicators of B-12 ...
P. Vashi, Persis Edwin, B. Popiel, C. Lammersfeld, D. Gupta   +4 more
semanticscholar   +1 more source

How prevalent is vitamin B(12) deficiency among vegetarians?

Nutrition reviews, 2013
Vegetarians are at risk for vitamin B(12) (B12) deficiency due to suboptimal intake. The goal of the present literature review was to assess the rate of B12 depletion and deficiency among vegetarians and vegans. Using a PubMed search to identify relevant
R. Pawlak, S. Parrott, S. Raj, D. Cullum-Dugan, Debbie Lucus   +4 more
semanticscholar   +1 more source

The Human Serum Metabolome of Vitamin B-12 Deficiency and Repletion, and Associations with Neurological Function in Elderly Adults.

Journal of NutriLife, 2017
Background: The specific metabolomic perturbations that occur in vitamin B-12 deficiency, and their associations with neurological function, are not well characterized.Objective: We sought to characterize the human serum metabolome in subclinical vitamin
Alex Brito, D. Grapov, Johannes F. Fahrmann, D. Harvey, R. Green, Joshua W. Miller, S. Fedosov, S. Shahab-Ferdows, Daniela Hampel, Theresa L. Pedersen, O. Fiehn, J. Newman, R. Uauy, L. Allen   +13 more
semanticscholar   +1 more source

Risk factors of vitamin B(12) deficiency in patients receiving metformin.

Archives of Internal Medicine, 2006
BACKGROUND Identification of risk factors for metformin-related vitamin B(12) deficiency has major potential implications regarding the management of diabetes mellitus.
Rose Zhao-Wei Ting, C. Szeto, M. Chan, K. Ma, K. Chow   +4 more
semanticscholar   +1 more source

Folate Deficiency Is Prevalent in Women of Childbearing Age in Belize and Is Negatively Affected by Coexisting Vitamin B-12 Deficiency: Belize National Micronutrient Survey 2011.

Journal of NutriLife, 2017
Background: Folate deficiency, vitamin B-12 deficiency, and anemia can have adverse effects on birth outcomes. Also, low vitamin B-12 reduces the formation of metabolically active folate.Objectives: We sought to establish the baseline prevalence of and ...
J. Rosenthal, Natalia Largaespada, L. Bailey, M. Cannon, C. Alverson, Dayrin Ortiz, G. Kauwell, J. Sniezek, Ramon Figueroa, R. Daly, P. Allen   +10 more
semanticscholar   +1 more source

Regional, Socioeconomic, and Dietary Risk Factors for Vitamin B-12 Deficiency Differ from Those for Folate Deficiency in Cameroonian Women and Children.

Journal of NutriLife, 2015
BACKGROUND Representative data on folate and vitamin B-12 dietary intake and status in low-income countries are rare, despite the widespread adoption of folic acid fortification.
S. Shahab-Ferdows, R. Engle-Stone, Daniela Hampel, A. Ndjebayi, M. Nankap, K. Brown, L. Allen   +6 more
semanticscholar   +1 more source

Effect of oral vitamin B-12 with or without folic acid on cognitive function in older people with mild vitamin B-12 deficiency: a randomized, placebo-controlled trial.

American Journal of Clinical Nutrition, 2006
BACKGROUND Vitamin B-12 deficiency is associated with cognitive impairment in older people. However, evidence from randomized trials of the effects of vitamin B-12 supplementation on cognitive function is limited and inconclusive.
S. Eussen, L. D. de Groot, L. Joosten, R. Bloo, R. Clarke, P. Ueland, J. Schneede, H. Blom, W. Hoefnagels, W. V. van Staveren   +9 more
semanticscholar   +1 more source