Supplements to Boost Your Immune System

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Vitamin D is a fat-soluble nutrient essential to the health and functioning of your immune system.

Vitamin D

Zinc is a mineral that’s commonly added to supplements and other healthcare products like lozenges that are meant to boost your immune system.


Vitamin C is perhaps the most popular supplement taken to protect against infection due to its important role in immune health.

Vitamin C

Black elderberry (Sambucus nigra), which has long been used to treat infections, is being researched for its effects on immune health.


Since ancient times, medicinal mushrooms have been used to prevent and treat disease. Many therapeutic mushrooms have immune-boosting properties.

Medicinal mushrooms

Astragalus is an herb commonly used in traditional Chinese medicine (TCM). Animal research suggests that its extract may significantly improve immune-related responses.


Selenium is a mineral that’s essential for immune health. Animal research demonstrates that selenium supplements may enhance antiviral defense against influenza strains, including H1N1


Garlic has powerful anti-inflammatory and antiviral properties. It has been shown to enhance immune health by stimulating protective white blood cells like NK cells and macrophages.


This herb contains andrographolide, a terpenoid compound found to have antiviral effects against respiratory-disease-causing viruses, including enterovirus D68 and influenza A


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