As an octogenarian in reasonably goods health, not taking any RX medications, was diagnosed with stable angina, MD prescribed nitroglycerin. Opten instead fort angioprim extreme cleaning with MD cardiologist's knowledge, if not approval and, mirabile dictu, after one day, chest pain disappeared and after 3 days my breathing became easier to where I now can deep breathe and exert myself with walking a couple of miles, hydrotherapy and swimming WITHOUT any symptoms. I discontinued multivitamins, because of their mineral content and am taking only specific ones (C&E for eample) to complement the chelation. have undergone IV chelation previously, but never, ever felt the relief I do now. Try it, you might like it.