Nutrition in Immune System Function and Disease Prevention
- alexhansleyblog
- Aug 10, 2023
- 2 min read
Updated: Aug 15, 2023
The old adage 'you are what you eat' rings particularly true when discussing the link between nutrition and immunity. Optimal nutrition is critical in supporting robust immune function, enhancing disease resistance and improving overall health. Here's a closer look at how what you eat can affect your immune system's ability to fend off illness.
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Micronutrients and Immunity
Vitamins A, C, D, E, B6, B12, and minerals such as zinc, iron, selenium, and copper are essential micronutrients that play a vital role in maintaining a healthy immune system. A deficiency in any of these can compromise immune function and increase susceptibility to infections.
Protein and Immune Health
Protein is crucial for the health of the immune system. Certain amino acids are needed for the production of cytokines, antibodies, and other immune cells.

Gut Health and Immunity
A healthy gut microbiota, influenced by a diet rich in fiber, fermented foods, and diverse plant-based foods, can support a robust immune response. Prebiotics and probiotics can help maintain a healthy balance of gut bacteria.
Understanding the relationship between diet and immune function enables you to make dietary choices that support a healthy immune system.
Conclusion
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Proper nutrition isn't just about maintaining a healthy weight and feeling good. It's about fueling your body with the necessary nutrients for optimal function, including supporting a strong immune system. To ensure your diet supports your immune health, make sure to consume a variety of nutrient-dense foods, stay hydrated, and maintain a healthy gut.
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