Homocysteine SupremeFor maintaining healthy homocysteine levels Excess homocysteine in the bloodstream can damage the lining of artery walls, making them narrow and inelastic. Research suggests that high homocysteine levels are an independent risk factor for hardening of the arteries, coronary heart disease, stroke, peripheral vascular disease, and other conditions associated with abnormal blood clotting. Elevated homocysteine levels are also linked to a number of other