11/30/2023 0 Comments Alpha blocks dHowever, three large clinical trials did not find that supplements of beta-carotene and vitamin A helped to prevent or reduce lung cancer risk. ![]() Lung Cancer: Observational studies following nonsmokers and current or former smokers have found that higher intakes of carotenoids from fruits and vegetables are associated with a lower risk of lung cancer. The evidence suggests that eating a variety of foods rich in vitamin A, especially fruits and vegetables, is protective from certain diseases, though the health benefit of vitamin A supplements is less clear. The UL for vitamin A from retinol is 3,000 micrograms of preformed vitamin A.
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