Is 5000 IU of Vitamin A a Lot? Understanding Intake Levels
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4 min read
According to the National Institutes of Health, the tolerable upper intake level (UL) for preformed vitamin A is 3,000 micrograms RAE (equivalent to 10,000 IU) per day for adults, indicating that an intake of 5,000 IU is below this threshold, but still warrants consideration. The safety of any specific amount depends heavily on the form of vitamin A, dietary sources, and individual health factors.
