Is 2000 mg of vitamin C daily too much?

For adults, the recommended daily amount for vitamin C is 65 to 90 milligrams (mg) a day, and the upper limit is 2,000 mg a day. Although too much dietary vitamin C is unlikely to be harmful, megadoses of vitamin C supplements might cause: Diarrhea. Nausea.

What does 2000 mg of vitamin C do?

High vitamin C intake is not only associated with greater amounts of urinary oxalate but also linked to the development of kidney stones, especially if you consume amounts greater than 2,000 mg ( 6 , 14). Reports of kidney failure have also been reported in people who have taken more than 2,000 mg in a day.

Can your body absorb 2000 mg vitamin C?

In addition, vitamin C is water-soluble, making it hard for your body to store it — with excess being secreted in your urine. So even if you’re adult and can handle the 1,000 mg in each vitamin C packet or pill, just know that your body can’t absorb (or, therefore, use) more than about 400 mg.

Will 2000 mg of vitamin C hurt you?

Adults who take more than 2,000 mg of vitamin C per day may experience side effects. When a person takes more than the recommended limit of vitamin C, they may experience mild digestive disturbances. These can occur if the vitamin C that the body does not absorb irritates the gastrointestinal tract.

Is 3000 mg of vitamin C too much?

It’s safe in almost any amount from foods, and supplements in recommended amounts are also regarded as safe for most people. In some people, high doses — more than, say, 2,000 or 3,000 mg per day — can cause symptoms such as diarrhea, nausea, heartburn, gastritis, fatigue, flushing, headache, and insomnia.

Can you take more than 1000 mg of vitamin C?

Taking large amounts (more than 1,000mg per day) of vitamin C can cause: stomach pain. diarrhoea. flatulence.

How much vitamin C can a body absorb in a day?

Oral vitamin C produces tissue and plasma concentrations that the body tightly controls. Approximately 70%–90% of vitamin C is absorbed at moderate intakes of 30–180 mg/day. However, at doses above 1 g/day, absorption falls to less than 50% and absorbed, unmetabolized ascorbic acid is excreted in the urine [4].

Can we take 500mg vitamin C daily?

“The safe upper limit for vitamin C is 2,000 milligrams a day, and there is a great track record with strong evidence that taking 500 milligrams daily is safe,” he says.