>>81532396
...And I still supplement with it anyway because I don't go out much. This one from now is the only thing on the market that has a good amount. D3 RDA (like most vitamins) was intentionally made a very low number when they first came up with RDA's. You would get 50k IU from 30 minutes in the sun. Most d3 supplements people buy are 5k IU if that. Only thing is you need to take a good dose of vitamin K to go with it so the vitamin D works right in your body