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. Too much beta-carotene is a problem for some people.
How much carotenoids is too much?
Studies have used dosages ranging between 15 and 180 milligrams a day. There is no set tolerable upper intake level (UL) for beta-carotene. However, high doses or long-term use may be dangerous.
Can you have too much carotene?
Taking big doses of vitamin A can be toxic, but your body only converts as much vitamin A from beta-carotene as it needs. That means beta-carotene is considered a safe source of vitamin A. However, too much beta-carotene can be dangerous for people who smoke.
Can carotenoids cause toxicity?
Toxicity. Carotenoids are generally nontoxic, even when taken in high doses as purified supplements. There appear, however, to be a few exceptions. High doses of canthaxanthin can cause a reversible form of retinopathy (14).
Are carotenoids harmful to humans?
Carotenoids are beneficial antioxidants that can protect you from disease and enhance your immune system. Provitamin A carotenoids can be converted into vitamin A, which is essential for growth, immune system function, and eye health.
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