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 ...
For adults ages 70 and older, the recommendation is 800 IU (20 micrograms) daily. There aren't many foods naturally high in vitamin D, so getting enough of the vitamin solely through your diet can ...
“Those aged 19 to 70, including people who are pregnant or lactating, need 600 IU (15 micrograms) of vitamin D daily, while those over 70 need 800 IU (20 micrograms) daily,” says Andrew ...