Natural Supplements That Will Boost Your Immune System

These supplements are effective for boosting the immune system and have antiviral effects. They can be used for prevention and also to help recover if you get sick.

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Green tea 4 cups daily or EGCG 225 mg daily

In addition to reducing inflammation, green tea enhances the immune system and targets one of the processes involved in COVID-19 replication.

 

Vitamin D 5000 IU daily

Vitamin D enhances immune system function, reduces viral growth, and can reduce upper respiratory infections.

 

Vitamin A 10,000 IU daily (do not take large doses if pregnant!)

Vitamin A is anti-inflammatory, enhances immune function, and supports the lining of the respiratory tract.

 

Vitamin C 1000 to 3000 mg daily

Vitamin C contributes to immune defense by supporting various cellular functions of the immune system. Vitamin C has been used in hospital ICUs to treat COVID-19 infection.