The immune system protects the body against foreign substances and diseases. The risk of infection increases when it’s weakened, which can lead to serious health problems.

Vitamins and supplements are powerful tools to help keep your immune system balanced. Here are five vitamins and supplements that strengthen your immune system:

Vitamin A

Vitamin A is a fat-soluble vitamin that helps maintain healthy mucus membranes, skin, teeth, bones, and reproductive organs. It also aids in the development of vision in dim light. Vitamin A deficiency can lead to night blindness, dry eyes, and skin conditions such as dermatitis.

Vitamin A protects cells from damage caused by free radicals and unstable oxygen molecules that can cause cell damage. Vitamin A is found in many foods, such as vegetables, fruits, and dairy products.

Vitamin C

Vitamin C helps support the body’s natural defenses. It also helps promote a healthy inflammatory response, so you have less joint swelling when you have arthritis or another inflammatory condition.

It helps the body fight infections and helps wounds heal faster. Vitamin C is found in fruits and vegetables such as oranges, broccoli, and tomatoes. You can also take vitamin C supplements if you don’t get enough from food sources.

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Vitamin D3 (cholecalciferol)

Vitamin D is a hormone that helps control the amount of calcium and phosphorus in your blood — both important minerals for bone health. When sunlight hits your skin, your body makes some vitamin D, but it’s hard to get enough through diet alone because few foods naturally contain vitamin D; milk is one exception. Most people get enough vitamin D from sunlight exposure during the summer months, but many people do not get enough during the winter months or if they have darker skin tones or are older than 65 years old.

Vitamin D-3 (1500 IU)

Selenium

Selenium is a trace mineral that helps support healthy thyroid function, which plays a role in your immune system by helping regulate how well your body responds to stress and infections.

Selenium has been shown to help strengthen your immune system by preventing oxidative damage to DNA and cell membranes caused by free radicals in the body. It’s also known to increase the activity of certain white blood cells called lymphocytes, which help fight infections like colds and flu viruses.

Zinc

Zinc supports the production of white blood cells that fight infection and helps keep mucous membranes healthy, making them less likely to become irritated from colds or other respiratory infections. It also supports wound healing and skin barrier function, so you don’t get rashes or sunburned easily when you have an allergic reaction.

Zinc supports the body’s defense against colds and flu by boosting the production of antibodies, which fight infections. It also helps wounds heal after surgery or injury. Experts recommend 8 milligrams per day for men and 7 milligrams per day for women.

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Conclusion

Eating well and staying hydrated is the first defense in preventing colds. But if you just can’t shake that bug, consider taking a supplement to help boost your immune system. Remember to check with your doctor before taking any supplements to ensure they don’t interfere with any medications you take.