Up With Your Vitamin D Level
In 2010 the Institute of Medicine updated the recommended daily allowance (RDA) of vitamin D from 400 IU to 600 IU per day for adults up to age 70, and…
In 2010 the Institute of Medicine updated the recommended daily allowance (RDA) of vitamin D from 400 IU to 600 IU per day for adults up to age 70, and…