Influence of Dietary Supplementation for Hyperhomocysteinemia Treatments Abstract: Hyperhomocysteinemia is recognized as risk factor for cardiovascular and age-associated diseases. Folic acid supplementation eciently lowers plasma homocysteine (Hcy) levels, but high intake may negatively aect health because of unnatural levels of unmetabolized folic acid in the systemic circulation. Oxoproline (Oxo) provides by glutamic acid production an...