Vitamin D overdose can damage kidneys: Six symptoms to watch out for
Published on: Nov. 19, 2025, 11:15 a.m. | Source: CNBC TV18
While vitamin D deficiency is a widespread worry, experts stress that more is not necessarily better. The majority of adults only need 400 to 1,000 international units (IU) of vitamin D per day, according to the National Institutes of Health. Unless a doctor advises differently, most healthy adults should consume no more than 4,000 IU daily.
