How Much Vitamin A We Need Can Be Confusing

You probably know that you need Vitamin A. You probably have also heard that you can get too much Vitamin A. However, the language describing the quantities of this important nutrient varies considerably. Yes, the amount may be described as RDA, RAE, IU, or even mcgs. How in the world is the average person going to know whether you are getting what you need if you are told the RDA is one amount, but your multi-vitamin supplement lists the quantity as an IU?

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