Antioxidants and endurance performance: A supplement worth trying?

In endurance sport, there are a huge number of supplements that are purported to enhance performance, recovery, and adaptation, with very few of these actually living up to the hype. As scientists, we tend to be very sceptical of supplements and their claims, and prefer to wait for a body of literature to emerge supporting the use of a particular supplement. However, as practitioners and athletes, we also know that waiting for the scientific literature to catch-up sometimes risks leaving you missing out on a performance aid that your competitors may have taken advantage of. In this blog, we are going to talk about antioxidant supplementation, which might be one of the most discussed supplementation regimens in endurance sport.

So, what are antioxidants? To understand antioxidants, you first have to understand reactive oxygen species or ROS. ROS accumulates in muscle during high-intensity exercise, and ROS appears to have a fatiguing effect on muscle, possibly through effects on...

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