| http://www.w3.org/ns/prov#value | - The current RDA is 200-400IU though with all the current research on Vitamin D and its effect on our immune system, some are suggesting that the new RDA be 800-1000IU. Vitamin D is a fat-soluble vitamin and can build up to toxic levels (above 10,000IU a day ) so be careful if you are taking cod liver oil or something similar.
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