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.

A daily vitamin D supplement may cut your risk of autoimmune disease by over 20%

A five-year trial in 25,871 adults offers the strongest evidence yet.

FDA: 25 weight-loss supplements sold as tejocote root contain a toxic plant that can stop your heart

A single seed of the plant is thought to carry the punch of 100 digoxin heart pills.

Experts warn about popular drink: Your blood vessels may feel the effects within 90 minutes

A single can hits the arteries fast, and 2026 cardiology guidance flags a heart-rhythm risk on top.

If you take ACE inhibitors for blood pressure, these foods could raise your potassium dangerously

Millions take this drug class, and a few everyday foods can quietly push potassium too high.

Your daily multivitamin may be slowing your biological aging by months

A large randomized trial in older adults found a small but real slowing of cellular aging.

Creatine may boost memory and brain health in older adults, not just muscle

The gym-shelf supplement is quietly building a second reputation as a brain aid.