Tag: vitamin B6

High-dose B vitamin supplementation and cognitive decline in Alzheimer disease: a randomized controlled trial

This randomized, double-blind, placebo-controlled trial assessed the efficacy of high-dose B vitamin supplementation (folic acid 5 mg, vitamin B6 25 mg, and vitamin B12 1 mg daily) in slowing cognitive decline among 409 individuals with mild to moderate Alzheimer’s disease over 18 months. Despite significant reductions in plasma homocysteine levels

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Preventive health care, 2000 update: screening and management of hyperhomocysteinemia for the prevention of coronary artery disease events. The Canadian Task Force on Preventive Health Care

This 2000 guideline by the Canadian Task Force on Preventive Health Care evaluates the role of hyperhomocysteinemia in coronary artery disease (CAD). Elevated total homocysteine (tHcy) levels are associated with increased CAD risk, with prevalence ranging from 5–10% in the general population and up to 30–40% in the elderly. Despite

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The importance of folate, vitamins B6 and B12 for the lowering of homocysteine concentrations for patients with recurrent pregnancy loss and MTHFR mutations

This study investigated the effects of supplementation with methylfolate, vitamin B6, and vitamin B12 on plasma homocysteine levels and pregnancy outcomes in women with recurrent pregnancy loss (RPL) and MTHFR mutations. Sixteen women with RPL and confirmed MTHFR mutations were randomized to receive the supplements for a year, resulting in

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The methylenetetrahydrofolate reductase 677C–>T polymorphism as a modulator of a B vitamin network with major effects on homocysteine metabolism

This study examines the effect of the MTHFR 677C–>T polymorphism on homocysteine metabolism and how it interacts with B vitamin supplementation in a large cohort of adults. The study found that individuals with the TT genotype had significantly higher plasma homocysteine levels compared to those with the CC or CT

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Evaluating the Effect of Magnesium and Magnesium Plus Vitamin B6 Supplement on the Severity of Premenstrual Syndrome

This randomized controlled trial investigated the effects of magnesium alone and in combination with vitamin B6 on premenstrual syndrome (PMS) severity in women attending health centers in Isfahan, Iran. After a two-month PMS symptom tracking phase, participants were randomized to receive either magnesium, magnesium plus vitamin B6, or a placebo

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Vitamin B status in patients with chronic fatigue syndrome

This observational study assessed the functional status of B vitamins—B6 (pyridoxine), B2 (riboflavin), and B1 (thiamine)—in patients with chronic fatigue syndrome (CFS) compared to healthy controls. Using red blood cell enzyme assays, the study found significantly reduced enzyme activity levels in CFS patients (p

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B Vitamins and the Brain: Mechanisms, Dose and Efficacy–A Review

The review article titled “B Vitamins and the Brain: Mechanisms, Dose and Efficacy—A Review” by David O. Kennedy, published in Nutrients in 2016 (PMID: 26828517), examines the essential roles of the eight B-vitamins in brain function, highlighting their involvement in energy production, DNA/RNA synthesis and repair, methylation processes, and the

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