In the middle of winter when sunshine can be hard to come by, it's tough to get enough vitamin D, but one expert has some advice.

"Vitamin D is well known to support bone health, but it also plays a role in the health of your heart as well as your GI tract. It is tougher to get it [in the winter] because a lot of the absorption and how the vitamin gets transformed to a usable substance in...

Nutrition is important for your whole body, including those two small organs through which you look at the world.

The same diet that's good for your heart and the rest of your body will also help your eyes, according to the American Academy of Ophthalmology (AAO).

The academy offers advice on vision-healthy foods and how to create a diet rich in them.

"Some nutrients keep the ...

Stroll past the supplements in any drugstore and you'll find broad claims about fish oil helping everything from heart and brain health, to joints, eyes and immune systems. But you just might be wasting your money, according to a new study.

"We know from recent large, randomized trials that fish oil supplements do not prevent heart disease in the general population, but yet they are one o...

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 Aug. 10 in ERJ Open Research -- suggests that people who have low levels of this vitamin also have less healthy lungs. They are more likely to report having asthma, chronic obstructive pulmonary disease (COPD...

People who have psoriasis may want to get their vitamin D levels checked.

New research suggests that blood levels of the so-called "sunshine vitamin" may affect the severity of their condition. In psoriasis, skin cells build up and form dry, itchy, sometimes painful patches.

While synthetic vitamin D creams are an emerging therapy, the study suggests that a diet rich in vitamin D or...

If you're drinking soy, oat or almond milk, you may not be getting the same nutrients as you would with a glass of cow's milk.

A new analysis of more than 200 plant-based milk alternatives found that few contain the calcium, vitamin D and protein that can be found in cow's milk.

Only 12% of the alternative milk products studied had comparable or greater amounts of all three nutrient...

Your body needs vitamin D, the "sunshine" vitamin, but too much time in the sun can increase your risk for skin cancer.

An expert offers tips for boosting vitamin D intake while staying safe from the sun and this summer's record-high temperatures.

"Vitamin D is important for bone health, calcium absorption, reduction of inflammation, promoting cell growth and immune and cardiovascu...

As older people start to lose some of their mental abilities, regular exercise might slow the progression to dementia, a new study indicates.

With five months of physical activity, the mental ability of seniors with so-called mild cognitive impairment improved significantly, researchers in Canada report.

They also found that computerized training to improve memory added to the benef...

Vitamin D supplements might lower the risk of heart attack and other cardiac ills for people over 60 -- especially if they're already taking heart meds, a new study suggests.

"Our results suggest that further exploration of the possible benefit of vitamin D on cardiovascular events, particularly in those at higher risk of having an event, might be warranted," said senior researcher

You've heard of eating your spinach to stay strong, but how about loading up on your flavonols?

New research suggests that plant-based foods rich in these important dietary compounds could lower your chances of developing frailty as you age.

Apples and blackberries are among the fruits that contain a particular flavonoid called quercetin that may be the most important to prevent fra...

Taking vitamins may drain your wallet without helping your health, yet a new government survey shows most American adults take them, as do about one-third of children.

Researchers who were led by Suruchi Mishra, from the U.S. National Center for Health Statistics, found vitamin use was common from 2017 to March ...

When people struggle to fall asleep, it's no surprise they seek solutions.

Options can range from prescription medications to sleep therapy, good habits and an abundance of supplements.

Taking magnesium for sleep is something some say has real benefits, but does it really?

It's not entirely certain, but the mineral serves a variety of other important functions, so it just m...

Can vitamin D lower dementia risk?

Quite possibly, a team of British and Canadian researchers report.

In their study, investigators spent roughly a decade tracking more than 12,000 older people. None had dementia at the start of the study period. In the end, the team determined that those who had been taking vitamin D supplements during that time appeared to face a 40% lower ri...

Vitamin D supplements are typically used to guard against bone loss and fractures, but new research offers up another possibility: For folks with pre-diabetes, they may help lower the chances of a full diabetes diagnosis.

Across three clinical trials, investigators found that vitamin D supplements were modestly effective in curbing the risk of pre-diabetes progressing to type 2 diabetes. ...

Androstenedione is one of those supplements that was peddled to athletes for years as a quick path to bulging muscles and high testosterone levels, but it carries some grave dangers.

Also known as "andro," the dietary supplement was once touted to enhance athletic performance by stimulating muscle growth and boosting testosterone levels. But once it enters the body, it acts like a st...

A new study hints that treating low vitamin D levels with supplements might have a critical benefit for certain people: a decreased risk of attempting suicide.

In a study of more than 1 million U.S. veterans, researchers found that those prescribed vitamin D were nearly 50% less likely to attempt suicide over eight years, versus those who were not prescribed the supplements.

The ben...

Chromium picolinate is a supplement that many folks take, as it's touted to unlock insulin, burn fat and build muscle.

But do you really need to add it to your diet when the mineral chromium is already present in many foods, albeit in tiny amounts?

"There is little evidence or support for chromium supplementation, though advertisements suggest it can enhance muscle mass and help wit...

Vitamin D is widely promoted for better health, but if you're overweight, you might not reap the benefits.

In a new study, researchers found a 30% to 40% reduction in cancer, cancer deaths and autoimmune diseases among people with a lower body mass index (BMI) who took vitamin D supplements,...

B vitamins. These powerhouse nutrients help your cells function at their best, protect your brain and heart, support your immune system and can even improve your mood and energy levels.

This critical class of vitamins needs to be part of a healthy diet.

According to Harvard Health, B vitam...

One way to maintain muscle strength with age: Get enough vitamin D.

Researchers in Brazil and the United Kingdom found that older folks who were deficient in the vitamin increased their risk of losing muscle strength by 78%.

"Vitamin D is known to participate in various functions. "¦," said study co-author

Babies born prematurely who are fed formula may need iron supplementation like their breastfed counterparts, new research suggests.

"Just because a baby is on iron-rich formula, we should not assume all of their iron needs are being met, since iron from the formula may not have the same absorption as iron from breast milk,"said researcher Grace Power. She is a third-year medical student ...

Older adults who harbor more vitamin D in their brains may stay mentally sharper, a new study suggests.

Researchers found that when older adults had higher levels of vitamin D in their brain tissue, they tended to perform better on standard tests of memory and thinking. They were also less likely to have dementia or milder cognitive impairments.

Experts stressed that