Elevated homocysteine levels are considered inflammatory because homocysteine, an amino acid in the blood, can damage the lining of blood vessels. This damage triggers an immune response, causing inflammation as the body tries to repair the affected areas. Chronic inflammation from high homocysteine levels can contribute to the development of heart disease and other cardiovascular problems. NAC (N-acetylcysteine) supplements can help lower homocysteine levels because they provide cysteine, an im