Vitamin C maintains healthy blood vessels and prevents fat accumulation (Am J Clin Nutr, 1974; 27: 866-76).
Vitamin E protects blood vessels and prevents blood clots (Int J Vit Nutr Res, 1976; 46: 18-91).
Selenium stops blood clotting (Fed Proc, 1984; 43: 477)
B vitamins help rid the body of heart-damaging homocysteine (JAMA, 1998; 279: 359-64).
Coenzyme Q10 helps to treat various heart conditions (Mol Aspects Med, 1994; 15 [Suppl]: 287-94).
L-Carnitine, a non-essential amino acid, improves exercise tolerance in angina patients (Jpn Heart J, 1984; 25: 587-97; Clin Terap [Ital], 1992; 140: 353-77).
Magnesium reduces cardiovascular spasms and angina (Magnesium, 1985; 4: 226-44) and improves cholesterol levels (Curr Ther Res, 1984; 36: 341-5).