Background: Antioxidants applied topically and/or ... the oral intake of an oxygenated carotenoid (lutein). Conclusions: Carotenoids used as nutritional supplements seem to play an interesting ...

Higher levels of skin carotenoids are associated with increased antioxidant protection and ... The research team want to explore the mechanism behind the findings and study the effects of other ...

They are produced by plants as part of their defense mechanism ... that serve as antioxidants. There are three basic categories of these including flavonoids, carotenoids, and polyphenols.