Toxicity. Beta-carotene doesn't seem to be toxic in large doses. But high doses over a long time can lead to carotenemia. This causes your skin to become yellowish orange.
How much beta-carotene is bad?
avoid taking high doses (>18 mg) of β-carotene supplements, especially if they smoke. Trials have shown that adverse consequences may result from doses of 20 mg.
How much beta-carotene per day is safe?
Adults and teenagers: 6 to 15 milligrams (mg) of beta-carotene (the equivalent of 10,000 to 25,000 Units of vitamin A activity) per day. Children: 3 to 6 mg of beta-carotene (the equivalent of 5,000 to 10,000 Units of vitamin A activity) per day.
Does beta-carotene have side effects?
Until recently, beta carotene was not thought to be toxic to humans. High levels of plasma beta carotene (hypercarotenemia) have not been associated with adverse side effects apart form causing a yellowing of the skin (carotenodermia) that eventually resolves.
What is carotene poisoning?
Carotenemia is a clinical condition characterized by yellow pigmentation of the skin (xanthoderma) and increased beta-carotene levels in the blood. In most cases, the condition follows prolonged and excessive consumption of carotene-rich foods, such as carrots, squash, and sweet potatoes.
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