Vitamin C helps our immune system
Vitamin C: the tone for the winter!
Nutrition

Vitamin C helps our immune system

Vitamin C is a  substance that  ensures proper functioning of our immune system and it helps us to resist infections that thrive during this period of risk. Update on the flagship vitamin cold waves …

Vitamin C is known to be “anti-pump stroke.” However, it has other equally important functions for the body. It thus has an antioxidant action itself: it limits the production of free radicals, substances responsible for aging.
Vitamin C also contributes to the production of collagen for the skin care. In addition, it facilitates the absorption of iron and calcium of plant origin.

Varying needs

A real vitamin C deficiency results in severe fatigue, loss of appetite and reduced resistance to infections: the condition called scurvy. This disease was common for centuries, particularly among sailors, who could not consume fresh vegetable products for months.
Nowadays, scurvy has fortunately disappeared from our region. Nevertheless, various dietary surveys have shown that in France, the amount of vitamin C absorbed were sometimes “limits.”
The recommended intake of vitamin C has recently been revised upwards. and consumption is considered necessary to 110 mg per day for an adult. In some circumstances, this contribution should even be increased: this is particularly the case in smokers over 10 cigarettes a day.

An anti-infection weapon?

Some, from the approach of winter, are a cure of vitamin C to protect against frequent infections during this period.
Is it a panacea? Apparently not. The massive absorption of vitamin C in drug form has not proved its real interest in the fight against minor winter ailments. This does not allow to avoid a cold or cure. However, it is known that vitamin C can reduce symptoms and shorten the duration of illness.

Not too much need!

So needless to binge vitamin C. Excessive doses may, in the long term, in sensitive individuals, cause kidney stones. On the other hand, many adverse clinical effects were observed when taking large doses, especially intestinal disorders (diarrhea, nausea, abdominal cramps).
Some clinical studies have even demonstrated that beyond 500 mg a day, vitamin C not act as an antioxidant but as a pro-oxidant, favoring the effects of free radicals!

Citrus against colds

Nature is provided with foods that have the distinction of being excellent sources of it: kiwis, peppers, strawberries, black currants, parsley, cabbage … Not to mention citrus (clementines, grapefruits, oranges and lemons) .

Vitamin still weak

Among all the vitamins, the C is probably the most fragile. It is sensitive to light, heat (firing) and the oxygen of the air. She easily loses its virtues. This is why it is always best to eat raw fruits or vegetables, prepared at the last moment. And limit the firings.

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