Our registered dietitian put 17 vitamin D supplements to the test — these eight options from brands like Nature Made and ...

Some studies have given healthy individuals 100,000 IU tablets or more once every 4 to ... 25 multivitamin pills of vitamin D, or 100 glasses of milk) of vitamin D in 15 to 20 minutes.

If you’ve discovered you have a deficiency in vitamin D, you’re not alone. It’s particularly common among: people who get limited sun exposure people with dark skin people over 65 years old ...