Apparently this helps you use oxygen better
BEET IT – buy organic beetroot juice from James White Drinks – Home.
Last Updated on 13 November 2025 by the5krunner

tfk is the founder and author of the5krunner, an independent endurance sports technology publication. With 20 years of hands-on testing of GPS watches and wearables, and competing in triathlons at an international age-group level, tfk provides in-depth expert analysis of fitness technology for serious athletes and endurance sport competitors.
