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Enalapril

Enalapril is an angiotensin-converting enzyme (ACE) inhibitor used to treat high blood pressure and chronic heart failure and to help protect kidney function in some patients. It is a prodrug that the body converts into its active form, enalaprilat, which relaxes blood vessels and reduces the strain on the heart. Landmark trials established that it prolongs survival in people with heart failure, and it is taken as an oral tablet.

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Cardiovascular

Lisinopril

Lisinopril is a long-acting ACE inhibitor, a class of drugs that relax blood vessels by blocking the angiotensin-converting enzyme. It is widely used to treat high blood pressure, heart failure, and kidney disease in people with diabetes, and to improve survival after a heart attack. Sold under brand names such as Prinivil and Zestril, it is one of the most commonly prescribed medicines in the world.

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Nootropic

Losartan

Losartan is an angiotensin II receptor blocker (ARB) used mainly to treat high blood pressure and to protect the kidneys in people with type 2 diabetes. It was the first drug of its class to reach the market, working by blocking the angiotensin II type 1 (AT1) receptor so that blood vessels relax and the heart and kidneys face less strain. Taken by mouth as the potassium salt, it is now a widely available, low-cost generic on the World Health Organization list of essential medicines.

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Blend

Losartan + Hydrochlorothiazide

Losartan/hydrochlorothiazide is a fixed-dose combination antihypertensive that pairs the angiotensin II receptor blocker losartan with the thiazide diuretic hydrochlorothiazide in a single tablet. Sold under names such as Hyzaar, it is used to lower blood pressure when one drug is not enough. The two ingredients act through complementary mechanisms, so the combination usually lowers blood pressure more than either component on its own.

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Blend

Olmesartan + Amlodipine + Hydrochlorothiazide

Olmesartan plus amlodipine plus hydrochlorothiazide is a fixed-dose antihypertensive tablet that combines three blood-pressure medicines with complementary actions: the angiotensin II receptor blocker olmesartan medoxomil, the dihydropyridine calcium channel blocker amlodipine, and the thiazide diuretic hydrochlorothiazide. The single-pill regimen is intended for adults whose high blood pressure is not adequately controlled on a two-drug combination, and in the United States it is marketed under the brand name Tribenzor. By pairing agents that act on different parts of the cardiovascular system, the tablet is designed to lower blood pressure more fully while reducing the number of pills a person must take.

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Cardiovascular

Ramipril

Ramipril is an angiotensin-converting-enzyme (ACE) inhibitor used to treat high blood pressure and heart failure and to lower cardiovascular risk. It is given as a prodrug that the body converts into its active form, ramiprilat. Widely prescribed, it is available as an inexpensive generic medicine.

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ARB

Valsartan

Valsartan is an angiotensin II receptor blocker that selectively antagonizes the AT1 receptor, relaxing blood vessels and blunting the renin-angiotensin-aldosterone system without the cough associated with ACE inhibitors. It carries an unusually deep clinical-trial pedigree: Val-HeFT established its benefit when added to standard heart-failure therapy, VALIANT showed it was as effective as captopril after myocardial infarction, and VALUE evaluated it in high-risk hypertension, while the NAVIGATOR trial found it modestly reduced progression to type 2 diabetes in people with impaired glucose tolerance. It is a component of sacubitril/valsartan, the angiotensin receptor-neprilysin inhibitor that outperformed enalapril in the PARADIGM-HF trial and reshaped heart-failure care. Preclinical work has also suggested a neuroprotective angle, with valsartan lowering brain amyloid-beta and improving spatial learning in a mouse model of Alzheimer disease.

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