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How many tablets of vitamin C do you take a day?
Vitamin C tablets are taken orally, and when used to supplement vitamin C, adults take 50-100 mg daily; For the treatment of vitamin C deficiency, adults should take 100-200mg once, three times a day, and children should take 100-300mg once a day for at least 2 weeks. In addition, some health vitamin C tablets (taking Yangshengtang natural vitamin C chewable tablets as an example) are recommended to be taken twice. 1 tablet should be taken after breakfast and lunch, because vitamin C is a water-soluble vitamin and needs to be supplemented repeatedly at intervals of 3-4 hours.

Vitamin c tablets can be used to prevent scurvy, as well as to assist in the treatment of various acute and chronic infectious diseases and purpura, and to maintain normal connective tissue; It has antioxidant effect, can protect human body from free radicals, enhance immunity, improve resistance, and prevent colds and other diseases.

The pharmacological effects of vitamin C tablets include: drugs participate in the formation of antibodies and collagen, tissue repair (including some redox effects), metabolism of phenylalanine, tyrosine and folic acid, utilization of iron and carbohydrates, synthesis of fat and protein, and maintenance of immune function, hydroxylation of 5- hydroxytryptamine, maintenance of vascular integrity and promotion of absorption of non-heme iron.

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● According to the absorption rate, it is better to take vitamin C three times a day immediately after meals, and this can also prevent the side effects caused by large doses of vitamin C. However, it should be noted that patients with digestive tract ulcers should use it with caution so as not to stimulate the ulcer surface and lead to ulcer deterioration, bleeding or perforation.

● People with poor renal function should not take more vitamin C. Long-term overdose of vitamin C may cause hyperacidity, gastric reflux and even urinary calculi. Especially people with kidney deficiency should eat less vitamin C.

● Don't suddenly stop taking vitamin C after taking a large amount. If the sudden withdrawal of vitamin C will cause withdrawal reaction, which will aggravate or recur the symptoms, it should be gradually reduced until the withdrawal is complete.

● Vitamin C should not be combined with isoniazid, aminophylline, streptomycin, penicillin and sulfonamides; Otherwise, the efficacy of the above drugs will be reduced or ineffective due to acidic environment.

● Vitamin C has a destructive effect on vitamin A, especially after taking a large amount of vitamin C, it will promote the excretion of vitamin A and folic acid in the body. Therefore, while taking a large amount of vitamin C, we must pay attention to the sufficient amount of vitamin A and folic acid.

● Vitamin C combined with aspirin enteric-coated tablets will accelerate its excretion and reduce the curative effect.

● Don't take ginseng when taking vitamin C. ..

● The combination of vitamin C and folic acid will also weaken their respective effects. If you need to treat anemia, you can use it intermittently and not at the same time.

● taking medicine indiscriminately will lose vitamin c in the body. If you take medicine without the doctor's permission, it will not only damage your health, but also cause the loss of vitamin C in your body.

● Vitamin C tablets should be stored in a cool and dark place to prevent deterioration and failure.

● Vitamin C cannot be taken in large quantities with crustacean seafood such as shrimps and crabs, which will produce arsenic trioxide (arsenic) and even poisoning. (This article is an online rumor, and its "mass" means that you need to consume about 50 kilograms of fruit rich in vitamin C and 200 kilograms of seafood at the same time within 24 hours. )

● Take vitamin C and avoid eating animal liver. Vitamin c is easily oxidized. If copper ions are encountered, the oxidation speed can be accelerated. The copper content in animal liver is very high. If you eat animal liver during taking vitamin C, vitamin C will rapidly oxidize and lose its biological function.

References:

Baidu encyclopedia vitamin c