Beetroot supplement raises nitric oxide markers in triathletes after one week
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By Pooja Toshniwal Paharia Reviewed by Susha Cheriyedath, M.Sc. Apr 13 2026 A small pilot trial suggests a beetroot-based nitrate supplement can shift nitric oxide and redox pathways in amateur triathletes, but whether those biochemical changes translate into better endurance or recovery remains unproven. Study: Effect of Beetroot Nitrate Supplementation on Nitric Oxide Pathways and Oxy-Inflammatory Biomarkers in Amateur Triathletes: A Randomized Cross-Over Pilot Study . Image Credit:
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