I'm wondering what exactly the difference is between beans, lentils, grains, nuts, and seeds. For example, what's the botanical difference between black beans, green lentils, rice, almonds, and sunflower seeds?
1 Always take your vitamin D supplements with or right after you have eaten a meal. The food in your system will help your body to process this nutrient.  It doesnât seem to matter what meal you take your supplement with. The time of day does not appear to affect your bodyâs ability to absorb vitamin D.
That's how vitamin D is measured. The Institute of Medicine, a nonprofit organization that gives expert advice on health, recommends that adults age 19 to 70 get 600 IU a day. If you're older than 70, you need 800 IU a day. For calcium, the amount you need depends on your age and sex. All adults 19-50: 1,000 milligrams.