Lurking in your blood is a dangerous bio-chemical known that our metabolism produces 24/7 known as homocysteine. With the correct mix of B vitamins and related nutrients, this highly reactive protein will be harmlessly neutralized. If not, homocysteine buildup poses a significant to long-term cardiovascular health. NOW Homocysteine Regulators deliver the Dr. Balch recommended mix of nutrients necessary to keep homocysteine levels under control.