2 days ago · Vitamin C toxicity is rare, but daily doses over 2,000 milligrams may cause unpleasant side effects like digestive issues, headache, and skin flushing.

Feb 20, 2025 · Vitamin C is an essential nutrient, but you can get too much of it. If you're an adult, limit yourself to no more than 2,000 milligrams (mg) of vitamin C a day.

Feb 14, 2023 · This article explores the overall safety of vitamin C, whether it’s possible to consume too much, and the potential adverse effects of taking large doses.

Nov 9, 2025 · All three experts say that it’s virtually impossible to get too much vitamin C through diet, but they say getting too much can happen if you’re taking multiple supplements with...

Dec 5, 2025 · While vitamin C is essential for health, high doses can cause serious side effects. Learn the risks and how to use it safely, based on research.

Jul 23, 2025 · When vitamin C is consumed in amounts significantly higher than the body can absorb, it can lead to symptoms, most commonly affecting the digestive system. Mild gastrointestinal …

Jan 22, 2025 · Vitamin C is generally safe. But taking too much — more than 2,000 milligrams (mg) per day — can cause unpleasant side effects due to the body's inability to absorb excessive amounts. …

Jun 17, 2025 · While vitamin C does offer health benefits, consuming too much in one day can actually cause health issues, rather than help prevent them. The ODS recommends adults avoid taking more …

Although exceeding the recommended amount of vitamin C is unlikely to be life-threatening, the potential side effects of taking too much vitamin C include nausea, cramps, diarrhea, heartburn, …

Vitamin C is an essential nutrient. But you can get too much of it. Vitamin C (ascorbic acid) is a water-soluble vitamin that supports growth and development. It also helps your body absorb iron. Because …