The Importance of Selenium: From Thyroid Health to Reproductive Wellness in Women
Published: 09:23AM 03 June 2023
Selenium is a trace mineral that plays a vital role in various aspects of women's health, including thyroid function, immune system support, and reproductive wellness. Despite being required in small amounts, selenium is essential for the proper functioning of several enzymes and antioxidant systems in the body. This blog explores the significance of selenium in women's health, highlighting its impact on thyroid function, fertility, pregnancy, and overall well-being. By understanding the role of selenium and incorporating selenium-rich foods into their diet, women can optimize their health and well-being.
The Importance of Selenium for Women's Health
1.Thyroid Health and Function:
- Selenium is crucial for the production and conversion of thyroid hormones, which regulate metabolism, growth, and development.
- Selenium-dependent enzymes protect the thyroid gland from oxidative damage and support the conversion of inactive thyroid hormone (T4) to active form (T3).
- Adequate selenium levels are necessary to maintain optimal thyroid function and prevent thyroid disorders such as hypothyroidism and autoimmune thyroid conditions.
2. Antioxidant Protection:
- Selenium acts as a potent antioxidant, working alongside other antioxidants like vitamin E, to protect cells from oxidative stress and damage caused by free radicals.
- By neutralizing free radicals, selenium helps reduce inflammation, supports immune function, and lowers the risk of chronic diseases, including cardiovascular disease and certain cancers.
3. Reproductive Health and Fertility:
- Selenium is essential for reproductive health in women, playing a role in the development and function of the ovaries.
- It supports the production of healthy eggs and the maintenance of a healthy menstrual cycle.
- Selenium's antioxidant properties protect the reproductive organs from oxidative damage and promote overall fertility and reproductive wellness.
4. Pregnancy and Fetal Development:
- Adequate selenium levels are crucial during pregnancy for the healthy development of the fetus.
- Selenium supports the formation of fetal organs, the growth of the placenta, and the normal functioning of the immune system.
- Low selenium levels during pregnancy have been associated with complications such as preeclampsia and preterm birth.
5. Immune System Support:
- Selenium is essential for a well-functioning immune system, helping to activate immune cells and regulate immune responses.
- It plays a role in the production of antibodies and supports the body's defense against infections and diseases.
- Selenium deficiency can compromise immune function and increase the susceptibility to infections.
Examples of Selenium-Rich Foods:
- Seafood: Indian seafood options such as prawns, crabs, and fish like mackerel, sardines, and pomfret are excellent sources of selenium.
- Lentils and Legumes: Incorporate lentils like masoor dal, chickpeas (chana), and kidney beans (rajma) into your Indian dishes to boost selenium intake.
- Whole Grains: Include selenium-rich whole grains like brown rice, millets (such as jowar and bajra), and wheat in your Indian meals.
- Nuts and Seeds: Cashews, almonds, and sunflower seeds are selenium-rich options that can be enjoyed as snacks or added to Indian recipes.
- Dairy Products: Milk, yogurt, and paneer (Indian cottage cheese) can provide selenium along with other essential nutrients for a balanced diet.
- Indian Spices: Some Indian spices, such as fenugreek seeds, cumin seeds, and mustard seeds, contain small amounts of selenium and can be used in various dishes.
- Indian Herbs: Incorporate herbs like coriander (dhania), mint (pudina), and curry leaves (kadi patta) into your Indian cooking for their selenium content.
Selenium plays a crucial role in women's health, impacting thyroid function, reproductive wellness, immune system support, and overall well-being. By incorporating selenium-rich foods into their diet, women can ensure adequate selenium intake and support optimal health. However, it's important to note that excessive selenium intake can be harmful, so it's recommended to obtain selenium from food sources rather than supplements unless advised by a healthcare professional. As always, consult with a healthcare professional or registered dietitian for personalized advice and recommendations regarding selenium intake and overall health.
Jayti Shah is a Clinical Nutritionist with a master's degree in Clinical Nutrition and Dietetics. She is a member of the Indian Dietetic Association (IDA). Over the last 9 years, she has helped 400 clients in their clinical and weight loss journeys. She works with SocialBoat as a nutrition consultant.
At SocialBoat, we offer custom diet plans and guided workouts to help you achieve your goals in a 360-degree approach. Our gamified experience ensures that you don’t find workouts boring and we reward you for being consistent with your efforts.
- Rayman, M. P. (2012). Selenium and human health. The Lancet, 379(9822), 1256-1268.
- Rayman, M. P. (2017). Selenium in cancer prevention: a review of the evidence and mechanism of action. Proceedings of the Nutrition Society, 76(2), 164-172.
- Brown, K. M., Arthur, J. R., & Morrice, P. C. (2000). Selenium supplementation in UK subjects with low selenium status improves mood. Biological Psychiatry, 48(10), 987-995.
- Brooks, J. D., Metter, E. J., Chan, D. W., Sokoll, L. J., Landis, P., Nelson, W. G., ... & Platz, E. A. (2001). Plasma selenium level before diagnosis and the risk of prostate cancer development. Journal of Urology, 166(6), 2034-2038.
- Stranges, S., Marshall, J. R., Natarajan, R., Donahue, R. P., Trevisan, M., Combs Jr, G. F., & Farinaro, E. (2007). Effects of long-term selenium supplementation on the incidence of type 2 diabetes: a randomized trial. Annals of Internal Medicine, 147(4), 217-223.
- Kieliszek, M., & Błażejak, S. (2016). Selenium: significance, and outlook for supplementation. Nutrition, 32(11-12), 1135-1143.
- Karunasinghe, N., Han, D. Y., Zhu, S., Yu, J., Lange, K., Duan, H., ... & Love, D. R. (2018). Serum selenium and single-nucleotide polymorphisms in genes for selenoproteins: relationship to markers of oxidative stress in men from Auckland, New Zealand. Genes & Nutrition, 13(1), 6.
- United States Department of Agriculture. (2020). FoodData Central. Retrieved from https://fdc.nal.usda.gov/
- National Institutes of Health. (2021). Selenium: Fact Sheet for Health Professionals. Retrieved from https://ods.od.nih.gov/factsheets/Selenium-HealthProfessional/