Researchers analyzed 11 trials with 655 adults and discovered that taking vitamin D2 supplements decreases the body's vitamin ...

Taking vitamin D2 may lower vitamin D3 levels, suggesting the two forms aren’t interchangeable. Vitamin D3 appears more ...

Vitamin K doesn’t get as much attention as nutrients like vitamin C or D, but it’s important for health and abundant in green leafy vegetables and other foods. The body needs vitamin K to support ...

USANA (NYSE:USNA), a global leader in cellular nutrition, is bringing a little more sunshine to wellness. Its top-rated ...

It may not get the publicity of some better-known vitamins like D, but vitamin K -- found in leafy green vegetables -- may boost lung health. A new, large study -- published Thursday in ERJ Open ...

Malabsorption refers to the reduced absorption of nutrients from the intestine into the bloodstream. It can affect the body’s ability to absorb all nutrients or some specific types of nutrients.

As a dietitian, I’ve seen how easily vitamin K deficiency can go unnoticed. This essential nutrient often takes a backseat to more popular vitamins like C and D, but its role in your health is just as ...

“However, we discovered that vitamin D2 supplements can actually decrease levels of vitamin D3 in the body, which is a ...

Johna Burdeos is a family mom, registered dietitian and freelance writer. Having provided nutrition care to many patients with acute and chronic medical conditions over the years, Johna is passionate ...

Despite India’s abundant sunlight, nearly 9 in 10 people are Vitamin D deficient. Indoor lifestyles, pollution, and sunscreen ...