Valtec Tablets 40mg – Valsartan for Hypertension & Heart FailureValtec Tablets 40mg Valsartan for Hypertension & Heart Failure Valtec Tablets contain Valsartan, a medication that belongs to a class of drugs known as angiotensin II receptor antagonists (ARBs). It works by blocking the effects of angiotensin II, a chemical that causes blood vessels to constrict, thus helping to relax and widen blood vessels. This results in lowered blood pressure and improved heart function, especially in patients with hypertension