What is the daily intake of vitamin C? Does too much intake have an effect?

Excessive intake can lead to septic syndrome!

In 2013, the maximum allowable upper limit of dietary nutrient reference intake for residents in China was 2000 mg per day.

Long-term overdose of vitamin C will cause excessive gastric acid secretion and easy to form kidney stones. For people who have been taking high-dose vitamin C for a long time, once they stop taking it, they will experience symptoms such as bleeding gums due to a relative lack of vitamin C.

Vitamin C is one of the easiest and most effective nutrients to boost immunity. Vitamin C can resist the damage of free radicals to cells and improve the body's immunity. Some fruits and vegetables contain a lot of vitamin C, and in general, fruits such as kiwifruit, fresh dates, strawberries, loquats, oranges, oranges, and persimmons are rich in vitamin C; Fruits such as grapes, figs, apples, bananas, peaches, pears, etc., contain less vitamin C.

11. Cause digestive tract discomfort symptoms: because vitamin C is an acidic vitamin, such as excessive acidic vitamins in the gastrointestinal tract at one time, it will lead to abdominal distention, nausea, vomiting, acid reflux, diarrhea, heartburn and other symptoms of excessive gastric acid secretion in the upper digestive tract.

2. Increase the chance of stones: Because vitamin C is easy to deposit calcium carbonate in the urinary system, excessive vitamin C may lead to the occurrence of stones.

3. It may cause hemolysis: vitamin C belongs to ascorbic acid, which can cause hemolytic anemia if taken too much.

4. Cause allergic reactions: a small number of patients may also have allergic reactions when taking excessive vitamin C, manifesting as fever, rash, urticaria, and in severe cases, anaphylactic shock.

2 Subject to availability.

1.According to the recommendations of the Chinese Nutrition Association, the daily intake of vitamin C for normal people must not exceed 1000mg. However, for people who eat a lot of vegetables and fruits every day, there is no need to take extra vitamin C tablets, because all fruits and vegetables contain a certain amount of vitamin C, and too much vitamin C supplementation will cause excessive vitamin C intake.

2.If you are taking vitamin C, it is recommended to take the drug according to the drug instructions or doctor's instructions, and do not exceed the guidance range of the instructions.

31.Drink plenty of water: Vitamin C is a water-soluble vitamin, and if you occasionally take too much vitamin C and there are no obvious symptoms of discomfort, drinking too much water can promote the metabolism of vitamin C.

2.If the dose is particularly large, or if you feel unwell, it is recommended to seek medical attention in time**, and take gastric lavage, vomiting and other methods in the hospital to discharge the remaining vitamin C tablets.

41.If vitamin C is taken once a day, then it is recommended to take it after breakfast. First of all, because the body's digestion and absorption capacity is the best in the morning, it can absorb and utilize vitamin C more effectively; And after breakfast, because there is food in the intestines, the vitamins can slowly pass through the intestines and be absorbed more completely to achieve the ideal effect.

2.If you take it twice a day, once in the morning and once in the evening, you must drink plenty of water after eating vitamin C to ensure that vitamin C is effectively absorbed.