monster beats by dre upper intake level

Carotene supplements for vision and osteoarthritis This means that a cookie will stay on your computer even when you exit or beats uk close your browser which may reduce your levels of privacy and security.You should never select this option if you're using a publicly accessible computer, or if you're sharing a computer with others.Even if you select this option there are some features of our site that still require you to log in for privacy reasons. Betacarotene is a carotenoid, beats by dre studio one of a group of plant pigments known to have antioxidant and other effects.This is a substance in plants that's quickly converted into vitamin a inside the body.Betacarotene is often thought of as a form of vitamin a itself.Having normal levels of vitamin a is key for good vision, strong immunity, and general health. Why do people take betacarotene? Betacarotene has become popular in part because it's an antioxidant a substance that may protect cells from damage.A number of studies show that people who eat lots of fruits and vegetables that are rich in betacarotene and other vitamins and minerals have a lower risk of some cancers and heart disease.However, so far studies have not found that betacarotene supplements have the same health benefits as foods. Betacarotene supplements may help people with specific health problems.Supplements might be used in someone with a clear vitamin a deficiency.They also might help those with the genetic condition erythropoietic protoporphyria(Epp).Both conditions are rare. There's some promising evidence that betacarotene supplements might slow the course of osteoarthritis.Taking betacarotene along with zinc and vitamins c and e may also help reduce progression of agerelated macular degeneration, a leading cause of blindness in older people. Betacarotene supplements have been studied as a treatment for many other diseases.Examples include cataracts, alzheimer's disease, and cystic fibrosis.The results have been inconclusive. How much betacarotene should you take? While there is a recommended dietary allowance(Rda)For vitamin a, there is no rda for betacarotene specifically.Studies have used dosages ranging between 15 and 180 milligrams a day. There is no set tolerable monster beats by dre upper intake level(Ul)For betacarotene.However, high doses or longterm use may be dangerous. Many experts recommend a combination of supplemental carotenoids(Lutein, carotenes, zeaxanthine, lycopene, etc), rather than simply betacarotene.The correct dose of mixed carotenoids for temporary or longterm use is unclear. Can you get betacarotene naturally from foods? The american heart association suggests that you get betacarotene(And other antioxidants)From food rather than supplements.Good food sources of betacarotene include:Spinach and kale Fruits like cantaloupe and apricots Betacarotene levels are highest in cheap beats headphones uk fresh fruits and vegetables.Frozen and canned varieties generally have less. What are the risks of taking betacarotene? Side effects.Taken at the amounts found in foods, betacarotene has few side effects.At high levels, it may turn the skin yellowish or orange.This is temporary and harmless. Risks.While their benefits are generally unclear, betacarotene supplements do seem to have serious risks.People who smoke or who have been exposed to asbestos should not use betacarotene supplements.Even low doses have been linked with an increased risk of cancer, heart disease, and death in these two groups of people.Excessive alcohol use combined with betacarotene supplements may raise the risk of liver disease and cancer.In high doses, vitamin a, and presumably betacarotene, can be toxic to the liver. Interactions.If you take any regular medications, ask your doctor if betacarotene supplements are safe.They may interact with cholesterol drugs and other medicines. Given the lack of evidence about their safety, children or women who are pregnant or breastfeeding should only take betacarotene supplements if their doctors recommend it.