They hide behind their firewall.......tuff luck if you forgot your password. Thanks Yahoo for your crappy help desk!!! Oh, while they give you no help getting your password they lock up the account for 12 hours..........my phone is in the car which is in for repairs.
Recommended Daily Allowance for Vitamins for Men 31 to 50 Years Old. According to the Food and Nutrition Board of the Institute of Medicine, the RDAs for fat-soluble vitamins for men are as follows: Vitamin A is 900 micrograms, vitamin D is 15 micrograms, and vitamin E is 15 milligrams.
Recommended dosage, active amounts, other details. The recommended daily allowance for Vitamin D is currently set at 400-800IU/day, but this is too low for adults. The safe upper limit in the United States and Canada is 4,000IU/day. Research suggests that the true safe upper limit is 10,000IU/day.