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 ...

Several months ago, my doctor recommended I start taking 1,000 IU of vitamin D3 daily to support bone health. She also said research shows vitamin D may even help prevent breast cancer. I was like, ...

That's why food companies often "fortify" milk, yogurt, baby formula, juice, cereal, and other foods with added vitamin D. To get enough vitamin D, some kids might need to take a multivitamin with ...

The FSA added: "High levels of vitamin D3 ... 1,000 times smaller than a milligram (mg). It is sometimes written with the Greek symbol μ followed by the letter g (μg), or as international units ...

Jampolis says there's no harm in being proactive and upping your intake on your own - 1,000 to 2,000 IU a day will get most ...