Vitamin C, is it really a miracle cure for colds? | Newsroom

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Vitamin C comes from food © Unsplash

It’s the chestnut of winter: As December approaches, vitamin C is the number one priority in all the health magazines. In the form of lemon juice or supplements, advice is heard to encourage everyone to get their daily dose of vitamins. For some people, vitamin C is necessary in the form of supplements to combat winter ailments, including the common cold…

But what are the real effects of vitamin C on the body? And can vitamin C supplements protect us from colds? Detox Channel rates.

It’s a scientifically proven fact: vitamin C has many functions in the body. It intervenes, for example, in the protection of blood vessel walls and iron assimilation. By the way, antioxidant effect of this vitaminwhich prevents cell degradation no longer needs to be demonstrated.

And since our body cannot synthesize it, we have to get it through food. In addition, it is recommended to absorb an average of 110 mg per day for an adult.

Take even more vitamin C to fight a cold more effectively?

Does this mean that by exceeding the recommended doses and taking even more vitamin C, we would increase its beneficial effects, especially by protecting against viruses that cause the inevitable winter cold or rhinitis?

The answer is no. Many studies have looked into this question and none of them have been able to clearly show a significant positive effect of high doses of vitamin C. frequencyduration or severity of cold. Therefore, it seems that for the majority of the population, the popular saying that “an untreated cold lasts 7 days, but a treated one lasts a week” seems to be correct. In addition, vitamin C used as a treatment for severe infections has only a minimal effect on the health of patients, as confirmed by a recent literature review.

Instead of resorting to supplements, it is better to consume fruits and vegetables that are rich in vitamin C like citrus and pepper meet his needs. And not only does it make no sense to take large doses of vitamin C above the recommended levels to fight the common cold or other infections, scientists are now discovering that, under certain conditions, vitamin C can has oxidizing properties (and no more antioxidants). Also, excessive consumption of vitamin C can cause digestive problems and nausea.

Therefore, it is better to be careful about excessive consumption of vitamin C in the form of dietary supplements, especially since there is no guarantee that the nutrients will retain their beneficial effects when extracted from the original matrix and that they will have the same effect on everyone. (for smokers or non-smokers, sick or healthy people, etc.).

Almost 30% of adults in France use food supplements. Vitamin C, along with magnesium and vitamin B6, is one of the three nutrients most commonly consumed in the form of supplements during the winter.

The text was first published in the Inserm book Fake News Santé published by Cherche-Midi

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