Vitamins and Supplements

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.

Daily vitamin C cut deaths nearly in half in a randomized blood cancer trial

Researchers tested a cheap, everyday vitamin in people with a quiet blood disorder, and the survival numbers caught them off guard.

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.

Green tea pills linked to liver failure: what the NIH safety data shows

The drink is safe. The concentrated capsule is a different story.

Taurine is in every energy drink, but here’s what it actually does for your body

It's in every energy drink, but researchers are now looking at what it does for your kidneys.

Do blue light glasses actually protect your eyes? Here’s what science says

The evidence points elsewhere, and eye doctors say the fix is simpler than an amber-tinted lens.

If you take blood pressure medication, magnesium may lower it even more

A new meta-analysis of 38 trials points to a much larger drop in people already on treatment.

How eating ginger every day can affect your blood pressure and joints

A new NIH-listed meta-analysis puts a number on the daily-ginger habit.

Low vitamin C may be quietly speeding up how fast your brain ages

A study of 2,044 older adults links lower plasma vitamin C to shrinking brain volume and weaker memory-network wiring.