These 4 Vitamins Could Help Lower COVID-19 Severity, Studies Suggest

In 2020, ask anyone if they’ve Googled “how to strengthen my immune system,” and the answer would most likely be yes. With COVID-19 rocking the landscape of the entire year, it’s the question on everyone’s mind: how do I lower my risk of getting sick?

With 2020 behind us, the latest studies have shown us a lot of information that we didn’t know about Coronavirus, and with a vaccine that’s been approved, there’s light at the end of the tunnel. And there’s some other good news - one way to lower your risk of getting a severe case of COVID might actually be in your medicine cabinet.

These Four Vitamins Might Lower the Risk of Getting a Severe Case of COVID-19

Dr. Peter Osborne of Origins Nutrition Center says that one of the most important ways to strengthen the immune system and lower COVID-19 severity take the proper mix of vitamins. In fact, he says that nine out of ten COVID deaths could be prevented if people had adequate levels of Vitamin D.

“A lot of doctors are now learning this and coming out and saying it! The East Virginia School of Medicine actually has a COVID protocol that includes Vitamin D. So if you're a patient who gets hospitalized for COVID, they're automatically putting you on between 20,000 and 60,000 units of Vitamin D. This is part of their standard of care protocol in that hospital system,” says Dr. Osborne.

Here are the four powerhouse vitamins suggested to lower the severity of COVID-19. (Hint: a dose of immunity contains all four of them.)

Vitamin D

If you weren’t already convinced that Vitamin D is highly effective in supporting your immune system and fighting against Coronavirus, then the numbers can speak for themselves. A study of 216 COVID-19 patients revealed that 80 percent of the patients did not have the recommended level of Vitamin D in their blood. Those with insufficient Vitamin D levels also had longer stays at the hospital.

Another study showed that patients who did have adequate amounts of Vitamin D levels had a 50% lower risk of dying from the virus, and they also were at a reduced risk of complications if they did get it.

Vitamin D can be increased in the body by spending time outside in the sun, eating foods rich in Vitamin D like salmon and orange juice, or by taking supplements. However, when you’re looking at supplements, pay careful attention to dosing strengths. There might be a few products that you can find with all four ingredients listed that may help lower the severity of COVID-19 symptoms, but if they don’t have the proper dosing strength, they won’t be effective. 

One of the main reasons that dose of immunity was formulated was to help support the effects of vaccines. When a vaccine is introduced into your body, that’s only part of the reason that we develop an immunity. The other reason we develop immunity through vaccination is because your body is strong enough to make antibodies when it meets the vaccine. Don’t risk making a vaccine less effective than it could be by buying cheap supplements that don’t give you the proper supplement dosage.

Vitamin C

Taking Vitamin C has always been known to have a long list of potential health benefits, including:

  • Management of high blood pressure
  • Lowering risk of heart disease
  • Preventing iron deficiency 
  • Producing collagen
  • Repairing damaged tissue 

And, now, above all, scientists are interested in Vitamin C’s role in strengthening the immune system. Vitamin C plays an important role in immune response due to its antioxidant, antithrombotic, anti-inflammatory and antiviral properties. Vitamin C supplementation given to COVID-19 patients could help prevent inflammatory cytokines and chemokines from taking over during the fatal phase. It could also potentially reduce the length of their stay in the ICU.

Vitamin C increases the production of cortisol, which activates an anti-inflammatory response. This vitamin has long been used to treat viruses, and has been shown to reduce their severity and duration.


Zinc works by preventing a virus from entering into your cells, and putting a stop  to viral replication. There is evidence that oral zinc is beneficial in helping people get over colds - many of which are coronaviruses.

Almost 50% of the patients that passed away from COVID-19 had fungal or bacterial co-infections, which highlights the importance of making sure your body has enough zinc, which fights against those infections. Zinc is a powerhouse that helps to strengthen the epithelium’s integrity, boost antivirus immunity, and reduce lung damage by providing an anti-oxidative effect. Supplementing with zinc is cost effective and most likely would benefit COVID-19 risk groups.


Lesser known on the list, quercetin also plays a part in strengthening the immune system, and it’s undergoing studies to see how it could directly help lessen the severity of COVID-19 symptoms. 

Quercetin is a flavonoid that works together with Vitamin C to create an antiviral effect in the body. It has promising properties, promoting anti-inflammatory, immunoprotective, antioxidant, and antiviral effects. One study found that quercetin bound with a protein in the novel coronavirus, and put a damper on its capacity to infect cells. It can also interfere with different stages of coronavirus entry in the body.

Aside from a dose of immunity, you’ll be hard pressed to find a supplement that contains Vitamin D and C and is also formulated with Quercetin.

A Dose of Immunity

At this point, there’s really no reason for you to not stock up on Vitamin D, Vitamin C, Zinc, and Quercetin. A dose of immunity is the one supplement that contains all four of these ingredients in one, plus echinacea, another natural cold buster. Working together in one powerful formula, your body might just thank you for giving it this carefully researched team of supplements.

A dose of immunity was formulated by a pharmacist in a lab to specifically increase your body’s natural defenses, reduce the risk of respiratory tract infection, and maximize the body’s efficiency in fighting off illness. One of the only supplements out there that contains all four of the vitamins that doctors are recommending to potentially lessen the severity of COVID-19 symptoms, it’s time you grabbed a bottle of dose of immunity.

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