The same is true for vitamin D levels. Clinicians should not suggest high intakes of vitamin D (5,000 IU for example) before recommending the 25-OH vitamin D test. Health care professionals need ...

Your body uses vitamin E for multiple purposes, including protecting you from oxidative stress and supporting your immune system. You can get vitamin E from certain foods and dietary supplements.

Want to get more out of your holiday budget? Consider Costco. The shopping warehouse giant has more than 500 locations where you can search the shelves for great prices on fun gifts, bulk buys ...

Napa’s Costco won’t open for another week, but on the inside, it looks like the store could start sales at any minute. Most shelves and aisles are fully stocked with all the things you expect ...