21 Vitamins and Supplements To Boost Immune System and fight COVID-19

What food supplements should you take for COVID-19?

  • The recent COVID-19 coronavirus outbreak causes various signs and symptoms, ranging from fever and dry cough to more extreme symptoms requiring immediate medical assistance such as breath difficulty & confusion. 
  • Yes, vaccines are now available, but of course, not all of us.
  • If you know someone who has mild COVID-19 symptoms & doesn’t have any other medical conditions that would put you at high-risk for complications of COVID-19 (66 years old and above, diabetes, COPD, heart & disease, HIV, asthma, undergoing cancer treatment).
  •  In that case, these vitamins and supplements might help to strengthen and boost your immune system to fight COVID-19
  • Just a note, there is no specific vitamins or food supplements that can heal COVID-19 cases and there is no solid evidence any non-FDA-approved vitamins or supplements has any good effect on COVID-19.  
  • Vitamins and supplements may interact with each other in your body system and with doctor’s prescription or over the counter medications. It’s advisable to contact your family doctor before taking any of these.
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What are the vitamins can help prevent COVID-19 and other sicknesses?

Because COVID-19 comes symptoms cough, cold and flu like with the Vitamins B, Vitamins C, and Vitamins D, and zinc may help boost your immune system to fight againts COVID-19 

Vitamin C

The vitamin C will help you fight the cold faster. Take it before getting sick. Vitamin C is an antioxidant and can help reduce inflammation. Lung inflammation is a severe symptom of COVID-19, which may lead to respiratory suffering or death. Take Vitamin C every day and avoid sickness!

Vitamin D

Vitamin D’s primary function is to help your body system maintain optimal blood levels of calcium and phosphorous, which you can get through exposure to the sun’s ultraviolet rays, or through supplements and the foods, you eat. 

Taking enough vitamin D may also help you from a respiratory infection. Vitamin D supplementation significantly decreases the chance of respiratory tract infections, based on clinical studies published in the Journal of Pharmacology and Pharmacotherapeutics.

B Complex vitamins

Vitamin B6 is essential to keeping your immune system in top condition. Be sure to get enough vitamin B as a food supplement, as part of your daily diet (you can quickly get your daily intake from fortified cereals), or in a multivitamin. 


Popping a zinc throat lozenge or taking an over-the-counter cold remedy with zinc in it (as a syrup or tablet) helps shorten the length of rhinovirus colds. Zinc also helps symptoms—nasal congestion, nasal drainage, sore throat, and cough—resolve sooner.

Zinc has also been found to help produce and activate T-cells (t-lymphocytes), which trigger the body to respond to infections, according to the NIH.

For a faster recovery, start taking zinc to treat your illness within the first 24 hours of symptoms. A proper dose of zinc is 75 mg, but beware: Taking more than 150mg per day of zinc could cause zinc toxicity and also have a negative impact on your immune system.

If you’re taking more than one zinc medication, check with your doctor first to prevent adverse reactions.

What are the best supplements to take?

Whether eaten as a whole food or in the form of a pill, the following supplements may help keep you healthy and your immune system in top shape to combat coronavirus. Once again, benefits are theoretical.


Full of antiviral and anti-inflammatory properties, elderberry syrup is used as a remedy for colds, flus, and bacterial sinus infections. Elderberry works by reducing swelling in the mucus membranes. 

Some studies suggest elderberry extract reduces the duration of the flu, which is why some believe it may also help your immune system against coronavirus (COVID-19) infection.


Mushrooms are high in selenium and B vitamins like riboflavin and niacin, which are needed to keep the immune system running optimally. Mushrooms are also high in polysaccharides, sugar-like molecules that boost immune function.


Astragalus is an herb, and its root is used in medicine. Typically used to strengthen the immune system and treat the common cold, upper respiratory infections, seasonal allergies, swine flu, astragalus is also used to fight bacteria and viruses. 

Its effectiveness against illness doesn’t have a lot of research behind it, although in treating seasonal allergies, 160 mg of astragalus root extract (Lectranal by Milsing d.o.o.) by mouth daily for 3-6 weeks was found to improve symptoms such as running nose, itching, and sneezing.


Selenium is a mineral with a variety of uses, including preventing bird flu and swine flu. A potent antioxidant, selenium can boost immune function, except in those with autoimmune disorders, who could experience a negative impact on their immune system.


Garlic’s antiviral properties may be helpful in reducing the severity of symptoms in colds, flu or COVID-19 infections. 

In one study, people who took garlic supplements during cold season caught fewer colds than those who took placebo pills. Garlic may also shorten the duration of a cold. While you can eat garlic fresh, you can also take it in the form of a supplement.


A plant used in medicine for various ailments, Andrographis is frequently used as a painkiller and fever reducer to treat the common cold and flu.

Taking Andrographis extract combined with Siberian ginseng (Kan Jang, Swedish Herbal Institute) may improve symptoms of the common cold when started within 72 hours of feeling sick. 

According to study, patients with flu who took a specific Andrographis extract in combination with Siberian ginseng (Kan Jang, Swedish Herbal Institute) felt better more quickly than patients taking amantadine, a drug approved by the federal Food and Drug Administration (FDA) to prevent Asian flu and treat Influenza A. They also experienced fewer complications after the flu: sinus pain, breathing problems, and coughing (bronchitis).

Licorice root

When used as a gargle, licorice root may be used to soothe the pain of a sore throat, a common symptom of coronavirus, according to a 2009 study in the journal Anesthesia & Analgesia. Additionally, licorice root can loosen congestion and reduce inflammation. You can also chew a piece of licorice root or drink it as tea.

Pelargonium sidoides

Umckaloabo, among other names, pelargonium sidoides are commonly taken by mouth for upper respiratory infections, including bronchitis, sinusitis, sore throat, tonsillitis, and the common cold. 

Taking a specific extract of pelargonium sidoides seems to help reduce symptoms and clear up the common cold after 10 days of treatment. It also lessens symptoms of bronchitis in adults within 48 hours of feeling sick. 


Curcumin is derived from the Curcuma longa plant, commonly known as turmeric. Curcumin is used in Ayurvedic and Chinese medicine for its analgesic, anti-inflammatory, and antiseptic activity. Curcumin can help fight inflammation and aid the body’s immune response, as found by a study published in Molecules.


Echinacea has been used to treat colds symptoms upon first signs of illness, but the research on its efffectiveness varies. Some research shows that taking echinacea can reduce the risk of catching a cold by 45% to 58%. But other research shows that taking echinacea does not prevent the common cold when you are exposed to cold viruses.

Early research shows that taking a specific echinacea product (Monoselect Echinacea, PharmExtracta, Pontenure, Italy) daily for 15 days might improve the response to the flu vaccine in people with breathing problems such as bronchitis or asthma, and these are high-risk types who could suffer complications of COVID-19.

When combined with antibacterial and antiseptic sage as a throat spray, echinacea and sage were found by a 2009 study to ease the pain of a sore throat.


Propolis, a resin-like material from the buds of poplar and cone-bearing trees, is used for boosting the immune system, and as an antioxidant and anti-inflammatory agent. Some evidence suggests that propolis might help prevent or reduce the duration of common colds and other upper respiratory tract infections.

Acai berry

Acai berry is such a potent antioxidant and stimulator of the immune system. Researchers are studying it as a potential treatment for all kinds of conditions. It’s often touted as a supporting of general health and immune function.

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Mangosteen (Garcinia mangostana) is an exotic, tropical fruit with a slightly sweet and sour flavor. It’s originally from Southeast Asia but can be found in various tropical regions around the world. The fruit is sometimes referred to as purple mangosteen because its rind’s deep purple color develops when ripe.

If you don’t have Mangosteen, try MX3 Capsule. It has pure mangosteen. 

MX3 Plus Capsule

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