Historically, 400 IU (10 ug) of vitamin D was recommended for better health because it closely approximated the amount of vitamin D in a teaspoonful of cod liver oil. However, 800 to 1,000 IU is ...
Vitamin D is crucial for bone health, immune function, and overall wellbeing, especially for adults over 75. Due to reduced sunlight exposure and less efficient vitamin D synthesis with age, older ...
The average adult’s recommended daily value (DV) of vitamin D is 20 mcg (800 IU or international units). For reference, one egg and a 3-ounce can of tuna each have above 1 mcg, 3 ounces of sockeye ...
Too much Vitamin D can lead to toxicity with symptoms like low appetite, irregular bowel movements, lethargy, and a higher cancer risk. Experts advise against taking 60,000 IU daily for months.
the National Institute of Health’s Office of Dietary Supplements says the recommended amount of vitamin D for adults 19-70 is 600 IU daily. This amount rises to 800 IU over the age of 70.
June 3, 2024 — Healthy adults under the age of 75 are unlikely to benefit from taking more than the daily intake of vitamin D recommended by the Institutes of Medicine (IOM) and do not require ...