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Is too much vitamin A bad for You?

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Too much vitamin A can be harmful. Even a single large dose — over 200,000 mcg — can cause: Nausea. Vomiting.


How much vitamin A is too much?

The tolerable upper intake of 3,000 mcg of preformed vitamin A, more than three times the current recommended daily level, is thought to be safe. However, there is some evidence that this much preformed vitamin A might increase the risk of bone loss, hip fracture [9-11], or some birth defects.

What happens if you have too much enough vitamin A?

Chronic toxicity occurs when large amounts of vitamin A build up in your body over a long period of time. Symptoms include changes to vision, bone pain, and skin changes. Chronic toxicity can lead to liver damage and increased pressure on your brain.

Is it bad to take vitamin A everyday?

The maximum daily dose relates to only pre-formed vitamin A. Pre-formed vitamin A is possibly unsafe when taken in doses greater than 10,000 units (3,000 mcg) daily. Higher doses might increase the risk of side effects. Long-term use of large amounts might cause serious side effects including mental changes.

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