Crazy supplement vitamin C can whiten? The vitamin C myth, let's see how many you hit
If there's one trick people think is as good as drinking more hot water, it's "eat more vitamin C" -- take vitamin C when you have a cold; Oral ulcer, eat more vitamin C; Want to whiten, vitamin C is more essential......
So is vitamin C really that good?
These vitamin C rumors, they're not believable
Eat a lot of vitamin C can whiten?
Melanosis is the main cause of skin darkening, and vitamin C is an antioxidant, with strong reducing properties, it can inhibit the formation of melanin.
But this just means that it can stop the skin from turning dark, but it doesn't mean that you can take it to whiten. If you want to whiten, you should use real whitening ingredients, such as niacinamide.
In addition, due to the influence of intestinal transport mechanism, the absorption efficiency of vitamin C is limited by the skin even if a large dose of vitamin C supplementation can play a limited role.
In addition, if some friends are allergic constitution, then eat too much vitamin C after the sun, not only can not white, but also may lead to solar dermatitis.
Can eat vitamin C treat cold?
Some people say that when they have a cold took vitamin C, a few days cold good, this is not the role of vitamin C?
It really isn't!
Most people's colds are caused by the common cold virus, which is a self-healing disease, that is, as long as the body recognizes the cold virus and produces corresponding antibodies, it will heal itself in about 5 to 10 days. Taking medicine or not taking medicine will not speed up the process.
And many cold medicines are designed to relieve the unpleasant symptoms of a cold, such as runny nose, headache, fever, and so on, not to treat it.
Can D C treat oral ulcer?
Many people think they are suffering from canker sores because of a lack of vitamin C, so they choose to eat lots of fruit or take vitamin C tablets.
But the girl wants to tell you, maybe it doesn't really matter!
Canker sores, not just because of vitamin C deficiency
From the perspective of modern medicine, the cause of canker ulcers is not clear. Canker ulcers can be caused by too much stress, life setbacks, environmental changes, anemia, and vitamin deficiency.
In addition, there is a kind of traumatic oral ulcer, because the daily life caused by careless oral mucosa damage, such as eating a bite of their own, eating sugarcane and other fiber coarse food, eating too hot food caused.
So simply taking vitamin C supplements is not going to be very effective.
Vitamin C, more is not more!
In fact, when people take high doses of vitamin C over a long period of time, the amount of vitamin C in the body will not increase, but actually decrease. This is because taking too large a dose will change the regulation mechanism of vitamin C in the body and accelerate the decomposition and excretion of vitamin C.
In addition, excessive intake of vitamin C can also cause gastrointestinal problems, the development of stones, even affect fertility, child development, and increase the risk of stroke.
According to the Dietary guidelines, the recommended daily intake of vitamin C for the general population is 100mg, which is sufficient if you eat a proper diet.
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