Benefits of Antioxydants for Endurance Athletes

by | Dec 30, 2022

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Benefits of Antioxydants for Endurance Athletes

Endurance athletes, such as marathon runners, triathletes, and long-distance cyclists, require an enormous amount of energy to sustain their performance. While a healthy diet rich in carbohydrates, proteins, and fats is essential, endurance athletes may also benefit from consuming antioxidants. Antioxidants are compounds that neutralize free radicals, and unstable molecules that can damage cells and contribute to the development of chronic diseases. In this article, we will discuss the benefits of antioxidants for endurance athletes and provide scientific evidence to support these claims.

Reduce Muscle Damage

Intense endurance exercise can cause muscle damage and inflammation, leading to muscle soreness and fatigue. However, studies have shown that antioxidants can help reduce muscle damage and inflammation caused by exercise. For example, a study published in the Journal of the International Society of Sports Nutrition found that consuming an antioxidant-rich beverage for seven days before a marathon race reduced markers of muscle damage and inflammation in runners.

Boost Immune Function

Endurance athletes are more susceptible to infections due to the stress that exercise places on the immune system. Antioxidants can help support immune function and reduce the risk of infection. A study published in the British Journal of Sports Medicine found that antioxidant supplementation reduced the incidence of upper respiratory tract infections in athletes.

Improve Recovery Time

Endurance athletes require adequate recovery time to allow their muscles to repair and rebuild. Antioxidants can help speed up recovery time by reducing inflammation and oxidative stress. A study published in the Journal of the International Society of Sports Nutrition found that consuming an antioxidant-rich beverage after exercise improved muscle recovery in cyclists.

Enhance Endurance Performance

Antioxidants may also enhance endurance performance by reducing fatigue and improving oxygen utilization. A study published in the Journal of Sports Sciences found that antioxidant supplementation improved time to exhaustion in cyclists. Another study published in the Journal of Applied Physiology found that antioxidant supplementation improved oxygen utilization during exercise in trained athletes.

Sources of Antioxidants

There are many food sources of antioxidants that endurance athletes can incorporate into their diets. Some of the best sources include:

  • Berries (blueberries, raspberries, strawberries)
  • Dark leafy greens (spinach, kale, Swiss chard)
  • Nuts and seeds (almonds, walnuts, sunflower seeds)
  • Whole grains (brown rice, quinoa, oats)
  • Spices (turmeric, ginger, cinnamon)

In addition to food sources, antioxidants can also be obtained through supplements. However, it is important to note that excessive antioxidant supplementation may have negative effects on health and performance. It is best to obtain antioxidants through a healthy diet rather than relying solely on supplements.


Antioxidants offer several benefits for endurance athletes, including reducing muscle damage, boosting immune function, improving recovery time, and enhancing endurance performance. Endurance athletes should focus on consuming a healthy diet rich in antioxidant-rich foods to obtain the most benefits. However, supplementation may be necessary in certain circumstances, such as when dietary intake is inadequate or during periods of high training load. As with any supplement, it is essential to consult with a healthcare professional before starting antioxidant supplementation.

Patrick Michel

Endurance Runner – Marketing Strategist

Patrick Michel is a Montreal-based endurance runner specializing in long-distance multi-stage charity ultra runs. For almost two decades, he has inspired many to engage in running, get fit and grow stronger physically and mentally. He has also written many articles about running.