Is beta carotene good for lung cancer?

Is beta carotene good for lung cancer?

Use of beta-carotene has been associated with an increased risk of lung cancer in people who smoke or who have been exposed to asbestos. One study of 29,000 male smokers found an 18% increase in lung cancer in the group receiving 20 mg of beta-carotene a day for 5 to 8 years.

How much beta cryptoxanthin per day?

β-CRX is found in human blood together with other abundant carotenoids, even though high levels are not consumed. Wallqvist et al. showed that the daily intake of β-CRX from food is 0.2–0.3 mg and that the serum concentration is 11.7 μg/dL and 20.3 μg/dL in Australian men and women, respectively [25].

Does lutein cause cancer?

Even a modest dose, if taken for a long time, can increase the risks of lung cancer, especially among smokers.” For example, the study found that use of retinol and lutein supplements for four years or longer was associated with increases in lung cancer risk of 53 percent and 102 percent, respectively.

What dietary supplements cause lung cancer?

A few prospective studies have shown that long-term use of high doses of some supplements, such as retinol, β-carotene, B vitamins, and vitamin E, increase lung cancer risk in current and former smokers.

What is cryptoxanthin good for?

Beta-cryptoxanthin has several functions that are important for human health, including roles in antioxidant defense and cell-to-cell communication. Most importantly, beta-cryptoxanthin is a precursor of vitamin A, which is an essential nutrient needed for eyesight, growth, development and immune response.

Who should not take beta carotene?

While their benefits are generally unclear, beta-carotene supplements do seem to have serious risks. People who smoke or who have been exposed to asbestos should not use beta-carotene supplements. Even low doses have been linked with an increased risk of cancer, heart disease, and death in these two groups of people.

Is it okay to take lutein everyday?

When taken by mouth: Lutein is likely safe when taken by mouth. Consuming up to 20 mg of lutein daily as part of the diet or as a supplement appears to be safe.

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