Vitamins and Supplements

Millions take fish oil for brain health: A two-year trial found zero benefit

The omega-3s actually did reach the brain, which rules out the usual defense, and yet the researchers found nothing where they expected a change.

7 warning signs your vitamin D may be dropping as the days get shorter

The body makes most of its supply from the sun, and once October ends the pipeline largely shuts down across much of the country.

Taking melatonin every night for a year: a large study flags a serious heart signal

The bedtime supplement millions reach for is looking less harmless when the habit stretches past twelve months.

7 common supplements to avoid if you take warfarin or a blood thinner

Some are in nearly every kitchen cabinet, and your doctor may have no idea you take them.

A once-weekly menopause patch just got a lot cheaper to access

The weekly patch tackles two of menopause's toughest problems at once, and the long-standing price gap may finally start to close for millions of women.

Millions take fish oil for brain health: A two-year trial found zero benefit

The omega-3s actually did reach the brain, which rules out the usual defense, and yet the researchers found nothing where they expected a change.

7 warning signs your vitamin D may be dropping as the days get shorter

The body makes most of its supply from the sun, and once October ends the pipeline largely shuts down across much of the country.

Taking melatonin every night for a year: a large study flags a serious heart signal

The bedtime supplement millions reach for is looking less harmless when the habit stretches past twelve months.

7 common supplements to avoid if you take warfarin or a blood thinner

Some are in nearly every kitchen cabinet, and your doctor may have no idea you take them.

Vitamin B3 may affect the effectiveness of chemotherapy

New research suggests that vitamin B3 supplements may reduce the effectiveness of chemotherapy in cancer patients.

How creatine affects the body and brain

A simple scoop hides a surprisingly complex chain reaction inside your body.

Forget expensive creams: Black ginseng may be the key to younger skin

Can ginseng be the key to healthier skin? New research is examining whether the plant can influence skin aging.

An everyday vitamin is being tested in cancer treatment

Early research suggests a common vitamin could help the body fight one of the deadliest forms of brain cancer — but scientists urge caution.

Study examines supplement’s effect on osteoarthritis

New research suggests a common dietary supplement may help reduce pain in people with osteoarthritis.

Study: Women take iron supplements without knowing when they need them

Many women take iron supplements without knowing their actual needs. A study points to widespread uncertainty about symptoms and usage.