get has to be in the right range. >> eric: what about men? >> same thing. i want to follow up with what mac said. there's a lot of marketing out there and hype about vitamin d, and more and more alternative doctors are talking about take 2000, 5,000. they're increasing the dose. you need to talk to your doctor and find out exactly what your needs are. there's no magic number. just 600 to 800 milligrams for calcium and vitamin did is what you need. >> eric: can they find it in the blood? >> you can get blood test and they can check your calcium. >> jamie: i wanted to ask you if you're lactose intolerant. we haven't done this topic in a while. maybe we will. you can't drink milk, you can't eat cheese. i know they have alternative products. do they have as much calcium? you can get it no fortified cereals. >> jamie: you just took away meat in the last discussion. >> there are ways you can get it in diet. fortified cereals. i think you can get it through a supplement provided you don't