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Can athletes follow vegan diets?

Yes, athletes can successfully follow vegan diets while meeting their nutritional needs. Scientific research studies have demonstrated that well-planned vegan diets can provide all the necessary nutrients for optimal athletic performance, especially in aerobic exercise.

In comparing the nutrient intake of vegan and vegetarian athletes to omnivorous athletes, there was no significant difference in energy, carbohydrate, protein, or fat consumption between the two groups. A study published in Nutrients concluded that vegan and vegetarian athletes can achieve adequate intakes of essential nutrients when their diets are properly planned and it does not impair their athletic performance.

Research published in Nutrients suggests that plant-based protein sources can be just as effective as animal-based sources in promoting muscle protein synthesis and recovery after exercise. Plant-based protein sources include legumes, tofu, tempeh, and quinoa, and can provide sufficient protein to support muscle repair and growth.

How to ensure proper nutrient intake:
  • Plant-based sources of iron include legumes, tofu, spinach, and fortified cereals, while calcium can be obtained from plant milks, leafy greens, and calcium-fortified foods.

  • Vitamin B12 supplementation is recommended for vegan athletes, as this nutrient is primarily found in animal products.

  • Plant-based sources of omega-3 fatty acids include flaxseeds, chia seeds, and walnuts, or alternatively, algae-based supplements can be used.

To answer the question if athletes can follow vegan diets, yes, they can. While it may take more planning, it is possible for vegan athletes to meet their nutritional needs and achieve optimal athletic performance levels. By carefully planning their diets and ensuring adequate intake of key nutrients, vegan athletes can thrive and perform at their best.


  1. Lynch, H. M., Wharton, C. M., & Johnston, C. S. (2018). Cardiorespiratory fitness and peak torque differences between vegetarian and omnivorous endurance athletes: a cross-sectional study. Nutrients, 10(8), 1093.

  2. Pohl, A., Schünemann, F., Bersiner, K., & Gehlert, S. (2021). The Impact of Vegan and Vegetarian Diets on Physical Performance and Molecular Signaling in Skeletal Muscle. Nutrients, 13(11), 3884.

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