Grape extract boosts exercise in thin air?
Symptom relief
Ongoing
This study looks at whether a single dose of a polyphenol supplement (Vinitrox™) can improve blood vessel function and exercise performance in healthy, active adults during moderate exercise in low-oxygen conditions (simulating high altitude). 38 volunteers will be randomly assig…
Phase: NA • Sponsor: Nexira • Aim: Symptom relief
Last updated Apr 26, 2026 20:02 UTC