The 15 Best Supplements that Boost Immunity Currently Available

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Vitamin D

Vitamin D is a fat-soluble vitamin that helps the body utilize calcium and phosphorous. It is also necessary for bone formation and muscle function. In addition, vitamin D is known to enhance immune system activity. A lack of vitamin D may result in weakened immunity and increased susceptibility to infection.

Omega-3 Fatty Acids

Omega-3 fatty acids have been shown to improve the immune system’s response to infections. These fats help reduce inflammation and boost the production of white blood cells.


Probiotics are live microorganisms that aid in digestion and promote intestinal health. Their consumption has been associated with improved immune system function.


Zinc is a mineral that is critical to many bodily processes including the immune system. It is involved in DNA synthesis and repair, protein synthesis, wound healing, and cellular division. Zinc deficiency has been linked to impaired immune system function.

Vitamin C

Vitamin C is a water-soluble antioxidant that supports the immune system. It aids in the prevention of viral infections and assists in the recovery of damaged cells.

Vitamin E

Vitamin E is a lipid-soluble antioxidant that protects cells from oxidative damage. It is also involved in the regulation of immune responses.


Selenium is a trace mineral that is essential for proper thyroid hormone levels. It is also involved with the immune system.