Homocysteine Topic Guide

Homocysteine Homocysteine: Homocysteine is an amino acid produced by the body, usually as a byproduct of consuming meat, fish or dairy. Elevated levels of homocysteine in the blood do not usually cause symptoms, but they raise the risk for heart disease. The cause of high homocysteine levels is usually dietary deficiencies in vitamin B6, vitamin B12, and folic acid. Treatment to lower homocysteine levels is vitamin supplementation.

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