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Written By THT Editorial Team

Reviewed by Liza Nagarkoti , BSc Nursing, MA(Nutrition), Project Officer (Health) LWF Nepal

Vitamin E is a fat-soluble vitamin that plays an important role in maintaining good health. In this article, we will discuss the sources, benefits, and antioxidant properties of vitamin E, as well as recent research and findings related to this vitamin.

Sources of Vitamin E

Vitamin E can be found in various food sources, including nuts, seeds, leafy greens, and vegetable oils such as sunflower, safflower, and soybean oil. Other sources of vitamin E include fortified cereals, eggs, and some fruits and vegetables.

Benefits and Antioxidant Properties

Vitamin E has various health benefits and antioxidant properties. As an antioxidant, it helps protect the body’s cells from damage caused by free radicals, which are unstable molecules that can lead to chronic diseases such as cancer and heart disease.

In addition to this, vitamin E may also have anti-inflammatory properties and can help boost the immune system. Some studies have also suggested that vitamin E may have a role in preventing cognitive decline and may reduce the risk of certain types of cancer.

Recent Research and Findings

Recent research has explored the potential health benefits of vitamin E supplementation. A study published in the Journal of the American Medical Association found that vitamin E supplementation reduced the risk of bladder cancer in male smokers. Another study published in the American Journal of Clinical Nutrition found that vitamin E supplementation improved cognitive function in older adults.

However, some studies have also shown conflicting results. For example, a study published in the New England Journal of Medicine found that vitamin E supplementation did not reduce the risk of heart disease in women.

Deficiency of Vitamin E

Deficiency of vitamin E is rare, but it can occur in individuals with certain medical conditions that affect fat absorption, such as cystic fibrosis. Symptoms of vitamin E deficiency include muscle weakness, vision problems, and an impaired immune system.


Vitamin E is an essential nutrient that plays a vital role in maintaining good health. Consuming a diet rich in vitamin E from various food sources is essential to maintain optimal health. Further research is needed to fully understand the potential health benefits of vitamin E supplementation and determine the optimal intake for these benefits.


  • National Institutes of Health. Vitamin E. https://ods.od.nih.gov/factsheets/VitaminE-HealthProfessional/. Accessed May 9, 2023.
  • Kristal AR, Arnold KB, Neuhouser ML, et al. Diet, supplement use, and prostate cancer risk: results from the prostate cancer prevention trial. Am J Epidemiol. 2010;172(5):566-577.
  • Durga J, van Boxtel MPJ, Schouten EG, et al. Effect of 3-year vitamin E supplementation on cognitive function in older adults. Am J Clin Nutr. 2007;85(4):1054-1063.
  • Lee IM, Cook NR, Gaziano JM, et al. Vitamin E in the primary prevention of cardiovascular disease and cancer: the Women’s Health Study: a randomized controlled trial. JAMA. 2005;294(1):56-65.