{By: Ms Sonam Gupta}
A strong immune system is your body’s natural defense against infections and diseases, and nutrition plays a central role in keeping it active and resilient. Eating a balanced diet ensures your immune cells receive the right nutrients to function optimally.
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Essential Nutrients That Strengthen Your Immune System
- Vitamin C: Powerful antioxidant that supports the production and function of white blood cells. Sources: citrus fruits, amla, guava, kiwi, tomatoes, bell peppers.
- Vitamin D: Helps regulate immune response and lowers inflammation. Sources: sunlight, fortified milk, fatty fish, mushrooms.
- Vitamin A: Keeps the skin and mucous membranes healthy, acting as the first line of defense. Sources: carrots, spinach, sweet potatoes.
- Vitamin E: Protects immune cells from oxidative stress. Sources: nuts, seeds, vegetable oils.
- Zinc: Promotes immune cell growth and wound healing. Sources: pumpkin seeds, lentils, chickpeas, seafood.
- Iron: Vital for oxygen transport and immune cell development. Sources: leafy greens, beans, jaggery, red meat.
- Selenium: Strengthens antioxidant defenses. Sources: Brazil nuts, sunflower seeds, eggs.
- Protein: Builds antibodies and enzymes involved in immune defense. Sources: eggs, dairy, pulses, poultry, fish.
Gut Health And Immunity
Nearly 70% of immune cells are located in the gut. Include probiotic-rich foods like curd, yogurt, kefir, kimchi, and fibre-rich prebiotic foods like oats, bananas, and garlic to maintain a healthy gut microbiome.
Lifestyle A Dietary Tips
- Stay Hydrated: Water helps flush toxins and supports overall cellular function.
- Limit Sugar And Processed Foods: Excess sugar can suppress immune activity.
- Include Healthy Fats: Omega-3 fatty acids (from fish, flaxseeds, walnuts) reduce inflammation and support immune health.
- Eat Seasonal And Fresh Foods: They provide maximum nutrients and natural immunity boosters.
- Practice Moderation: Avoid over-supplementation of vitamins/minerals unless prescribed by a doctor.
- Supportive Habits: Pair good nutrition with adequate sleep (7–8 hrs), regular exercise, stress management, and avoiding smoking and excessive alcohol for a well-rounded immunity boost.
The author, Sonam Gupta, is a Clinical Nutritionist, at ILS Hospitals.
[Disclaimer: The information provided in the article, including treatment suggestions shared by doctors, is intended for general informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition.]
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