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NO3-T®: Purified Potassium Nitrate for the Natural Production of Nitric Oxide (NO) and Endurance NO3-T® is the brand name of food-grade, highly purified potassium nitrate (KNO), developed specifically for sports supplementation. Unlike arginine-based nitric oxide (NO) precursors (such as Nitrosigine®), NO3-T® directly supplies inorganic nitrate (NO). In the body, this nitrate is converted to nitrite (NO) and finally to nitric oxide (NO) via the enzymatic pathway independent of the L-arginine-NOS system. This alternative and efficient mechanism leads to enhanced vasodilation, significantly improved blood flow, and, most importantly, a significant increase in endurance and muscle efficiency (reducing the oxygen cost of exercise). Clinical studies demonstrate benefits in endurance, strength, and power disciplines. All products containing NO3-T® raw material can be found on the official Nowfit Sports Nutrition website in Switzerland, Canton of Ticino, Lugano.























































