International Units (IU) to 10,000 IU per day (See ???Review Supports Safety of Much Higher Vitamin D Intake???).There is also growing evidence that higher intakes of vitamin D may be helpful in preventing and treating diseases other than osteoporosis and cancer, such as high blood pressure, fibromyalgia, diabetes, multiple sclerosis, and rheumatoid arthritis.Fishy diets make a big ???D??? differe