Nutritional Science & Dietetics

13. Nutrition and Immunity

Building a Strong Defense :Nutrition plays a pivotal role in shaping the strength and effectiveness of the immune system. A well-balanced diet provides the essential nutrients needed for immune function, while poor dietary choices can compromise the body's ability to fight off infections.

Vitamins: Several vitamins are critical for a robust immune system, including vitamin C, vitamin D, vitamin E, and vitamin A. These vitamins help maintain the integrity of mucous membranes, support white blood cell function, and protect against oxidative stress.

Minerals: Essential minerals like zinc, selenium, and iron are essential for immune cell development, function, and signaling.

Protein: Adequate protein intake is crucial for the production of antibodies, enzymes, and immune system signaling molecules.

Omega-3 Fatty Acids: Found in fatty fish like salmon and flaxseeds, omega-3 fatty acids have anti-inflammatory properties that support immune function.

Antioxidants: Compounds like flavonoids and polyphenols found in fruits, vegetables, and teas have antioxidant properties that protect immune cells from damage.

Probiotics: Beneficial gut bacteria supported by probiotics can enhance gut health and, in turn, improve immune function.