People with a genetic predisposition for high cholesterol can lower their levels by taking fish oil supplements, a new study shows.

The results indicate that lifestyle can be a powerful influence on artery-clogging cholesterol, even if a person’s genetics tend...

Daily supplements can slow loss of vision related to late-stage “dry” age-related macular degeneration (AMD), a new study finds.

The rate of dry AMD progression into a key eye region slowed by about 55% over an average three years for late-stage patients...

Folks regularly taking fish oil supplements might not be helping their health as much as they might think, a new study suggests.

Regular use of fish oil supplements could increase the risk of first-time heart disease and stroke among those with good heart health, new research suggests.

However, ...

Most folks know they'd be healthier if they ate more plant-based foods, but only a quarter are willing to follow through and do it, a new study shows.

Surveys reveal that Americans' beliefs about eating more plants for health are often at odds with their daily dietary choices, researchers say.

Vitamin supplements are a big business, with Americans spending roughly $45 billion out of more than $177 billion worldwide on pills, gummies and powders meant to boost health.

About 59 million Americans regularly use some type of vitamin or supplement, spending an average $510 each year.

But most folks are wasting that money, experts say.

A balanced daily diet provides all th...

Women struggling with fertility and using in vitro fertilization (IVF) to conceive sometimes turn to supplements for help.

Unfortunately, a new study finds only weak evidence to support that strategy.

In contrast, the same research found that the heart-healthy Mediterranean diet does boost the odds that a woman will become a mother.

Compared to the fat- and sugar-rich Western ...

Bodybuilders are largely unaware that the protein supplements they use to bulk up might harm their fertility, a new study shows.

Four out of five male gym enthusiasts (79%) said they use protein supplements as part of their fitness plan, the poll found.

But only 14% had considered how those supplements -- which contain high levels of the female hormone estrogen -- might impact their...

Federal regulators have sent warning letters to two companies for illegally selling probiotic products for use in preterm infants.

The U.S. Food and Drug Administration also sent a letter to health care providers warning of the risks.

Probiotic products contain live organisms such as bacteria or yeast. They are commonly found in dietary supplements.

These products may be dange...

Ginger supplements may help those with certain autoimmune diseases, such as lupus and rheumatoid arthritis, control inflammation.

New research has added evidence to support the impact of ginger on white blood cell function, particularly a type of cell called a neutrophil.

The researchers were particularly interested in neutrophil extracellular trap (NET) formation, also called NETos...

Lots of parents are giving their children the supplement melatonin to help with sleep, but is it safe?

In a new survey, the American Academy of Sleep Medicine (AASM) found that 46% of parents -- what it called a "shocking number"-- have given melatonin to children under the age of 13. About 30% gave their teenager melatonin to aid in sleep.

Yet, there is little evidence that melato...

J.D. Butler was planning a future with his girlfriend at his favorite New York City restaurant when that future came to a sudden, crushing halt.

"They were planning on when she was moving in and arranging floor plans on the table, with where the furniture was going to go,"said his mother, Karen Butler, a lifelong New York resident. "And he had a grand mal seizure, and then his heart stopp...

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...

More omega-3 fatty acids in your diet might prevent hearing loss as you age, researchers report.

Low levels of the omega-3 fatty acid docosahexaenoic acid (DHA) are linked to hearing loss in middle and old age, according to findings slated for presentation Monday at a meeting of the American Society for Nutrition, in Boston.

Middle-aged and older adults with higher DHA levels, howev...

Athletes using ketone supplements to boost their performance may be kidding themselves, researchers say.

The literature on the benefit of ketone supplements is mixed. Some studies have shown the supplements improve performance, but others say they have no effect or even worsen performance.

Natural ketones fuel the brain and muscles. A ketogenic diet of very low carbs and high fat c...

The herbal supplement berberine has become the latest social-media obsession for weight-loss, with some on TikTok calling it "nature's Ozempic."

Experts don't agree.

"I would say it's a big exaggeration to call it 'nature's Ozempic,'"said Dr. Melinda R...

An amino acid found in meat, fish and energy drinks might be a key regulator of aging in animals, a new study suggests.

However, experts warn that no one should start seeing Red Bull as a fountain of youth.

Researchers found that deficiencies in the amino acid, called taurine, seemed to be a prime driver of aging in lab mice: Their taurine levels naturally declined with age, but giv...

The supplement known as 5-HTP is available in both natural and synthetic versions and is used by some people to treat a variety of wellness issues.

Here's a look at what this supplement is, its safety profile, side effects and drug interactions, and the potential health benefits that 5-HTP has to offer you for a balanced lifestyle.

What is 5-HTP?

In your body, 5-hydroxytryptop...

When U.S. health officials reported a 500% spike in the number of poison center calls involving kids eating melatonin gummies last year, Harvard researchers decided to take a closer look at the sleep supplements and discovered a disturbing fact: They contained up to 347% more melatonin than the label stated.

What's more, five of the products also contained CBD in higher amounts than the l...

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 ...

For depressed or anxious children, taking melatonin may afford a good night's sleep and, as a result, lower the odds they will harm themselves, new research suggests.

The risk of self-harm increased before melatonin was prescribed and decreased by about half after kids started taking the supplement,