Vitamin A Drops 5000 IU High Strength per Daily Dose, Retinol Liquid & Vegan, 50 ml (1700 Drops), Natural Food Supplement Without Additives, High Bioavailability

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Duyff RL. Use supplements wisely. In: Academy of Nutrition and Dietetics Complete Food and Nutrition Guide. 5th ed. New York, N.Y.: Houghton Mifflin Harcourt; 2017. Zhang, X., et al. (2017). The effect of vitamin a on fracture risk: A meta-analysis of cohort studies. Your vitamin A supplement might contain preformed vitamin A, provitamin A, or a combination of the two. See the Supplement Facts label on the container to determine the source of vitamin A in your supplement. If some of the total vitamin A comes from carotene (a provitamin A), this information will be included on the label. Age-related macular degeneration. A large clinical trial showed that people at high risk of advanced age-related macular degeneration reduced their risk of developing the condition by 25 percent by taking a specific combination of vitamins that included beta-carotene. It's not entirely clear what role beta-carotene played. Wu, J., et al. (2015). Intakes of lutein, zeaxanthin, and other carotenoids and age-related macular degeneration during 2 decades of prospective follow-up.

Some research suggests that having more than an average of 1.5 mg (1,500 µg) a day of vitamin A over many years may affect your bones, making them more likely to fracture when you're older. The main source of vitamin D is summer sunlight on our skin. But it's important to keep your child's skin safe in the sun. This limit doesn't apply to vitamin A that comes from carotenoids. Provitamin A from plant sources, whether in a food or supplement, doesn't carry the same risks as preformed vitamin A. ‌The best form of vitamin A depends on your personal needs and preferences. Many vitamin A supplements contain preformed vitamin A in the form of retinyl acetate or retinyl palmitate, types of retinol also found in animal products and fortified foods ( 1). Vitamin A is a fat-soluble vitamin that’s vital for healthy cell formation and vision. It’s also a powerful antioxidant, which means it can help prevent and reverse cellular damage from oxidative stress ( 1). Getting your vitamin A through food rather than supplements is ideal. The health benefits of vitamin A from food sources are well established, but the benefits from synthetic supplements are not as clear. ‌ Risks in pregnancy. If you're pregnant, your baby needs vitamin A for healthy growth and development. But, too much preformed vitamin A can cause birth defects in your baby. Pregnant women should avoid supplements that contain more than 1,500 micrograms of RAE. Preformed vitamin A. Preformed vitamin A like retinol comes from animal products including liver, egg, fish, and dairy.

You shouldn't consume more than 3,000 micrograms of preformed vitamin A per day from any or all sources unless you're under the care of a doctor. ‌ not eating liver or liver products, such as pâté, more than once a week, or having smaller portions of these

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You can also get vitamin A by including good sources of beta-carotene in your diet, as the body can convert this into retinol. avoid taking supplements containing vitamin A, including fish liver oil, unless advised to by your GP

Vitamin A is important for your immune system, eyes, and overall health. Taking vitamin A — whether natural or synthetic — can help with certain conditions. But, too much vitamin A can be dangerous. What Is Vitamin A? Vitamin A. Micromedex 2.0 Healthcare Series. http://www.micromedexsolutions.com. Accessed Aug. 8, 2017. Cod liver oil is another option that some people may prefer over stand-alone supplements, as it contains several other essential nutrients, such as omega-3 fatty acids and vitamin D. Having too much of some vitamins can be harmful. Keep to the dose recommended on the label, and be careful not to give your child 2 supplements at the same time.Pazirandeh S, et al. Overview of vitamin A. https://www.uptodate.com/contents/search. Accessed Aug. 8, 2017.