12 Best Immune Booster Vitamins & Supplements For COVID-19 And Flu

by health and nutrition advice journalist

Pandemic or no pandemic, it is always important to take great care of your health. Aside from protecting yourself from COVID-19, this is to also ward off other illnesses, especially during flu season this 2021. One way to do this is by taking the best immune system boosters available.

Do note that supplements do not cure or prevent COVID-19, but a stronger immune system is important as it may help with controlling symptoms and surviving the virus. 

Vitamin D is among the four fat-soluble vitamins and the best immune booster vitamins that the body needs. Low levels of this vitamin can lead to an increased risk of infections and diseases. With anti-inflammatory and immunoregulatory properties, it helps activate immune defenses. Additionally, it helps fight respiratory infections. 

A recent study shows that a blood level of at least 30 ng/mL of 25-hydroxyvitamin D seemingly reduces the risk of severe outcomes in patients with COVID-19 symptoms. Vitamin D can be obtained through exposure to sunlight or from food like oily fish and red meat. Another way is by taking supplements. 

B vitamins ensure the proper functioning of cells, aids metabolic reactions, helps in creating new red and white blood cells and maintain healthy cells (skin, brain and body tissues). 

Vitamin B Complex has immense potential in protecting against COVID-19. It mediates in the proper activation of innate and adaptive immune responses, heightens respiratory functions, lowers pro-inflammatory cytokine levels and prevents too much blood clotting. 

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Packed with antioxidants as well as vitamins that may help in boosting the immune system, elderberry is taken as a dietary supplement for colds and flu. Some studies have shown that elderberry may relieve flu symptoms and other respiratory infections.

Elderberries are better taken as supplements as opposed to eating the actual fruit. When not prepared properly or taken in large doses, it may cause side effects such as vomiting and nausea. If you are pregnant, breastfeeding, have allergies or taking medication, it is best to consult your doctor first before taking elderberry. 

Zinc is a mineral that helps boost immune system function. It is essential for maintaining the health of your cardiovascular, reproductive and nervous systems. Zinc is found in meat, shellfish and nuts. Vegetarians may be at risk for Zinc deficiency as staple foods such as grains, legumes, seeds and tubers (potatoes, beets, carrots) contain phytates that reduce zinc absorption.  

The mineral has antiviral effects and may shorten the duration of the common cold. Recent studies suggest that zinc has potentially protective properties against COVID-19 as it reduces inflammation and promotes antiviral immunity. 

This content was originally published here.

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