We updated this article in November 2022 to add more information about each featured product, based on extensive research done by our team. Most experts agree that it’s best to get your vitamins and ...

What Is Vitamin D Deficiency? A vitamin D deficiency means you don't have enough of this vitamin in your body. You need vitamin D to grow and maintain your bones. You could be at risk for deficiency ...

You may have too much vitamin D if you experience stomach discomfort, unusual mental symptoms, or kidney problems. Excessive vitamin D also shows up in a blood test. Vitamin D plays an important role ...

Please provide your email address to receive an email when new articles are posted on . Older adults assigned to a high dose of daily vitamin D supplementation were more likely to develop ...

Please provide your email address to receive an email when new articles are posted on . Healthy, middle-aged adults without osteoporosis assigned to a high-dose daily vitamin D liquid drop had reduced ...

While you can take certain supplements any time of the day, others need a little more careful planning. As a vitamin most Americans don’t get enough of, figuring out the best time to take vitamin D is ...

There are some supplements that you can take whenever and wherever, regardless of the time of day, what you've eaten, or what else you've taken that day. Then there are others that require a bit more ...