Both vitamin D2 and D3 are good, but “D3 has better bioavailablilty ... So it's no surprise that people are curious about the ...

The best time to take any vitamin is the time when you will ... exposure where they aren’t outdoors enough to soak in vitamin ...

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

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 ...