Nutrition

Omega-6: Vegan Sources, Benefits and Risk

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Samuel Anthony
May 4, 2023
A silver scoop in some nuts and seeds

Omega-6 fatty acids are polyunsaturated fat that is important to our overall health.

They are essential fatty acids, meaning our bodies cannot produce them independently.

We must obtain them through our diet. While Omega-6 fatty acids are necessary for our health, it's essential to understand that not all sources of Omega-6 are created equal.

Some sources of Omega-6 can be harmful if consumed in excess, while others provide numerous health benefits.

We will explore the sources of Omega-6 and their role in a whole food plant-based diet.

Whether you're a seasoned vegan or just beginning your plant-based journey, understanding the sources of Omega-6 can help you optimize your diet and achieve optimal health.

Omega-6 Sources

A whole-food vegan diet can provide abundant Omega-6 fatty acids while maintaining a healthy ratio of Omega-6 to omega-3 fatty acids. Here are some of the best whole food plant-based sources of Omega-6:

  • Nuts and Seeds

Nuts and seeds are an excellent source of omega-6 fatty acids in a whole-food vegan diet. For instance, one ounce (28 grams) of sunflower seeds provides about 10 grams of Omega-6 fatty acids. In contrast, the same serving of sesame seeds contains approximately 6 grams of Omega-6. Other nuts and seeds rich in Omega-6 include almonds, cashews, and pumpkin seeds.

  • Legumes

Legumes are another great source of Omega-6 fatty acids for a whole-food vegan diet. For example, one cup (198 grams) of cooked black beans provides about 1.5 grams of omega-6 fatty acids. In contrast, the same serving of cooked lentils contains approximately 1.2 grams of Omega-6. Other legumes rich in Omega-6 include chickpeas, kidney beans, and navy beans.

  • Whole Grains

Whole grains are also a good source of Omega-6 fatty acids for a whole-food vegan diet. One cup (185 grams) of cooked brown rice provides about 1.7 grams of omega-6 fatty acids. In contrast, the same serving of cooked quinoa contains approximately 1.6 grams of Omega-6. Other whole grains rich in Omega-6 include barley, oats, and wheat berries.

  • Vegetables

Some vegetables do contain small amounts of Omega-6 fatty acids. One cup (91 grams) of Brussels sprouts provides about 0.1 grams of Omega-6 fatty acids. At the same time, the same serving of cooked spinach contains approximately 0.2 grams of Omega-6. Other vegetables that are rich in Omega-6 include broccoli, kale, and collard greens.

  • Fruits

Like vegetables, fruits are not a significant source of Omega-6 fatty acids but contain small amounts. One medium-sized avocado provides approximately 0.5 grams of Omega-6 fatty acids, while the same serving of raspberries contains about 0.1 grams of Omega-6. Other fruits that are rich in Omega-6 include mangoes, kiwis, and peaches.

Excessive Omega-6 Intake

It's important to note that while a whole-food vegan diet can provide ample amounts of Omega-6, it's still essential to maintain a healthy ratio of Omega-6 to Omega-3 fatty acids. As previously mentioned, plant-based sources of Omega-3 include flaxseeds, chia seeds, and walnuts. Incorporating these foods into a whole-food vegan diet can help maintain a healthy balance of Omega-6 to Omega-3 fatty acids and promote overall health.


While Omega-6 fatty acids are essential to our health, excessive intake can lead to harmful effects. In particular, a diet high in processed foods and vegetable oils is typically high in Omega-6 fatty acids and low in Omega-3 fatty acids, which can promote inflammation and contribute to the development of chronic diseases such as heart disease, arthritis, and some cancers. However, individuals who follow a whole-food vegan diet can maintain a healthy balance of Omega-6 to Omega-3 fatty acids by consuming various plant-based foods rich in both fatty acids. Plant-based sources of Omega-6 include nuts and seeds, legumes, whole grains, and vegetables. At the same time, plant-based sources of Omega-3 include flaxseeds, chia seeds, and walnuts.


Inflammation is a natural response of the immune system to protect the body from injury and infection. However, when inflammation becomes chronic, it can damage the tissues and cells in the body, leading to a wide range of chronic diseases. Omega-6 fatty acids can promote inflammation by increasing the production of pro-inflammatory molecules in the body. In contrast, Omega-3 fatty acids can reduce inflammation by producing anti-inflammatory molecules. Maintaining a healthy balance of Omega-6 to Omega-3 fatty acids is crucial to promoting overall health and reducing the risk of chronic diseases. Experts recommend a ratio of Omega-6 to Omega-3 fatty acids in the diet of around 4:1 or lower.


Individuals following a whole-food vegan diet can achieve a healthy balance by incorporating plant-based sources of Omega-6 and Omega-3 fatty acids into their diet. For example, replacing processed vegetable oils with whole food plant-based sources of Omega-6, such as nuts, seeds, and avocados, can help reduce the overall intake of Omega-6 and promote a healthier balance. Additionally, consuming plant-based sources of Omega-3, such as flaxseeds and chia seeds, can further reduce inflammation and improve overall health.


As outlined, excessive intake of Omega-6 fatty acids without adequate intake of Omega-3 can promote inflammation and contribute to developing chronic diseases. However, individuals who follow a whole-food vegan diet can maintain a healthy balance of Omega-6 to Omega-3 fatty acids by incorporating plant-based sources of both fatty acids into their diet. 

Conclusion

In conclusion, maintaining a healthy balance of Omega-6 to Omega-3 fatty acids is crucial for promoting overall health and reducing the risk of chronic diseases. Excessive intake of Omega-6 fatty acids, without adequate intake of Omega-3, can promote inflammation and contribute to developing chronic diseases such as heart disease, arthritis, and some cancers. A whole-food vegan diet can provide ample amounts of Omega-6 and Omega-3 fatty acids while maintaining a healthy balance. By incorporating various plant-based foods into their diet, individuals can reduce their risk of chronic diseases and promote overall health. Moreover, a plant-based diet can offer many benefits beyond fatty acid balance, such as increased fibre intake, antioxidant intake, and reduced saturated fat and cholesterol intake. Many studies have demonstrated that a whole-food vegan diet can reduce the risk of chronic diseases and promote overall health. A whole-food vegan diet can provide a balanced and nutritious approach to obtaining essential fatty acids while promoting overall health and reducing the risk of chronic diseases.

Sources & References

  1. "Omega-6 Fatty Acids." National Institutes of Health, Office of Dietary Supplements.
  2. Kris-Etherton, P. M., et al. "Polyunsaturated Fatty Acids in the Food Chain in the United States." The American Journal of Clinical Nutrition, vol. 71, no. 1 Suppl, 2000, pp. 179S-188S.
  3. Glick-Bauer, M., and E. Yeh. "The Health Advantage of a Vegan Diet: Exploring the Gut Microbiota Connection." Nutrients, vol. 11, no. 12, 2019, p. 2979.
  4. Satija, A., et al. "Plant-Based Diets and the Risk of Coronary Heart Disease in U.S. Adults: A Prospective Cohort Study." Journal of the American College of Cardiology, vol. 70, no. 4, 2017, pp. 411-422.
  5. Saunders, A. V., et al. "Omega-3 and Omega-6 Polyunsaturated Fatty Acids in Vegetarian Diets." The Journal of the Academy of Nutrition and Dietetics, vol. 113, no. 12, 2013, pp. 1600-1610.
  6. Burdge, G. C., and P. C. Calder. "Conversion of Alpha-Linolenic Acid to Longer-Chain Polyunsaturated Fatty Acids in Human Adults." Reproduction, Nutrition, Development, vol. 45, no. 5, 2005, pp. 581-597.
Plant-Based Nutritionist & Fitness Coach
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