Folic Acid Supplementation and Riboflavin Status

From: Clinical Chemistry | Date: August 1, 2003| Author: | Copyright information

To the Editor:

Flour in the US is fortified with folic acid and riboflavin. Folic acid reduces mean plasma total homocysteine (tHcy) concentration (7). Riboflavin has been associated with reduced tHcy in homozygotes for the methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism (2).

In a study that investigated the effect of riboflavin status on the tHcy-lowering response of folate interventions, Moat el al. (3) reported that riboflavin status is compromised after folic acid supplementation. Subjects were assigned to three interventions (each lasting 4 months) using a crossover ...

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