The beta-carotene is in fact famous for the help it gives to human's body. One of the most known claims for beta-carotene is that it prevents cancer and heart disease and can boost our immune system.

Beta Carotene is plentiful in vegetables and fruits. The 600 carotenoids are important for our health and is found in yellow, red, and deep green vegetables and fruits.

Studies shows however that taking supplements for a long duration may in fact cause harm, such as the damage to our liver or increased risk of cancer which can determined only by long, large, well-designed studies.

Large amount of Beta Carotene however can turn your skin slightly yellow or orange-, which is in fact harmless.

Beta-carotene is an antioxidant. Antioxidants help deactivate free radicals, unstable molecules that are by products of cells "burning" oxygen for energy. Free radicals can in fact damage the basic structure of cells and therefore leading to chronic diseases, such as cancer and heart diseases. In addition, it can accelerate the aging process.

However, smokers should not take this the pill of beta-carotene because studies show that smokers have an increase of the risk of lung cancer when they take beta-carotene pills. According to studies, taking Beta Carotene even not on high dose actually has a higher rate of developing lung cancer and higher mortality rate than those taking a placebo. However, the risk is only for smokers who smoked more than a pack per day and who drank more than the average amount of alcohol.

Therefore, the moral lesson here is: