Can You Overdose On Vitamin C?

You may have seen the Vitamin C section of the addition way looking bare these days or see the requirements on social media that vitamin C can help with Covid-19.

While researchers and physicians are investigating the effects of high dose intravenous Vitamin C on the new covid, no supplement, including vitamin C, can help prevent Covid 19.

This article what vitamin C is, how it affects the immunity system.

I have already shared a post related to this topic What Is Vitamin C Good For? I hope you read this post.

What is vitamin c?

Vitamin C is a nutrient with different roles in your body.

I also wrote an article on Nutrition Value of Food also you can read.

It is an excellent antioxidant, which means it can relieve weakness in your body.

It’s also involved in several biochemical processes, many of which are associated with protected health.

Daily Benefit for Vitamin C is 90 mg one day, but breastfeeding women require 30 mg, and people who smoke require 35 mg per day.

As long while you eat different fruits and vegetables, it is very easy to meet your vitamin C needs through your diet.

I recommend you to read following posts that will help you: Fasting Diets

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How does it affect immunity?

To get started, you’ll need to: How Can I Boost My Immune System?

Vitamin C affects your health in several ways. Its antioxidant action can reduce inflammation, which may help increase your immune.

It keeps your skin healthy by increasing collagen production, prevents harmful substances to the skin helps to act as a functional barrier in the body.

The vitamin also increases the action of phagocytes, protected cells that can take harmful bacteria and other particles.

In addition, it helps the growth and increase of lymphocytes, a type of immune cell that develops your circulating antibodies, proteins that can attack toxic bodies in your blood.

In research of its effectiveness on viruses that cause the common cold, vitamin C doesn’t make you any likely to get a cold, but it may benefit you get over a cold faster and get the symptoms less severe.

I also wrote a tutorial on How Long Does Common Cold Last? that you can follow.

There’s also some evidence from research and case studies that high dose vitamin C can reduce lung infection in respiratory illnesses affected by or other viruses.

To learn more, you can read this article: How Long Does It Take Lungs To Heal After Covid-19?

However, these doses were far above the Daily Value, and there’s not enough research to support the use of high dosage vitamin C for a lung infection at this time.

In addition, you shouldn’t use high dosages of vitamin C supplements, even orally, because they can cause side effects.

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Vitamin c and covid-19

In this article in the Journal of Infection Diseases, the Medical Association recommended high dosage vitamin C to remedy hospitalized people with Covid-19.

Doses that are significantly higher than the Daily value are recommended through improve lung function, which may help keep a case off of mechanical ventilation or life care.

Additionally, a review found that oral and high dosage vitamin C treatment may help people related to ICUs for critical illnesses by reducing ICU stay length by 7% and shortening the duration of mechanical ventilation by 18.0%.

Researchers have also listed a clinical trial to study the effectiveness of vitamin C in hospitalized people with Covid-19.

However, it’s essential to see that vitamin C is not yet a normal part of the treatment plan for covid 19 because the confirmation is still lacking.

Though high dosage vitamin C is recently being tested to see if it can recover lung infection in people with Covid-19, no evidence suggests that a high dosage of oral vitamin C complements can help with the condition. They can cause difficulties.

I recommend you to read following posts that will help you: What Vitamins And Minerals Are Good For the Brain?

Do you need supplements?

Recently, no data support the use of vitamin C supplements to help Covid.

Vitamin C may help reduce the duration and severity of colds created by other viruses, but that is no guarantee that it will have the same effect on the causes Covid-19.

Additionally, vitamin C is a water-soluble vitamin. It ends in water, meaning that high amounts aren’t stored in your body but instead passed through your urine.

You must read this article: Is Coughing Up Blood A Sign Of Covid?

Therefore, taking more extra vitamin C does not mean that your body is receiving more.

High-dosage vitamin C supplements may also cause diarrhea, as they can signal your body to pull liquid out of the cells and into your digestive system.

Moreover, although high dose vitamin C looks likely for Covid 19 treatment, these doses were exceptionally high and given via not taken orally.

Your best chance is to eat a diet that’s full of a variety of vegetables and fruits, which naturally give all the vitamin C healthy person requirements — along with many other nutrients.

To learn more, you can read: What To Do If You Think You Have Coronavirus?

Can you overdose on vitamin c

According to the National Institutes, an average adult woman requires 70mg of vitamin C per day. The average man requires 90mg. Suggested amounts are higher for pregnant and nursing women.

It’s important to discuss your special nutritional needs with your doctor. The maximum suggested amount, or upper limit is 2,000mg per day for all.

Taking more limits for vitamin C isn’t life-threatening, but you may feel side effects:

  • Headache
  • Nausea 
  • Sleeping problems
  • Abdominal pain
  • Cramps
  • Diarrhea

Here are a few articles to check out:

People with hemochromatosis are at risk of a vitamin C overdose. This situation causes your body to store unnecessary amounts of iron, increased by taking too much vitamin C. In addition, this condition can affect the body.

Vitamin C supplements may also interact with some medications. It is especially true of medications for cancer and heart disease. So be sure to your doctor before taking a supplement.   


Vitamin C is an essential nutrient that stores your immune system correctly.

According to a report by the Medical Association, high doses and vitamin C can be associated with covid-19. May improve lung function in hospitalized people.

However, there’s no proof that vitamin C supplements will help Covid 19.

To get vitamin C in your diet, you should eat a variety of vegetables and fruits.

Though there’s recently no cure for Covid-19, preventive measures like physical distancing and proper hygiene can help protect you from developing the condition.


I tried to cover as much as I could for Vitamin C, but if you still have a question in your mind, feel free to give us comment.

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