Vitamins and Supplements
Nutrition
Taking magnesium? Experts have an important warning
Millions take magnesium for better sleep and less stress, but experts say many people may be expecting more than the science can deliver.
Vitamins and Supplements
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.
Vitamins and Supplements
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.
Vitamins and Supplements
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.
Vitamins and Supplements
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.
Nutrition
Taking magnesium? Experts have an important warning
Millions take magnesium for better sleep and less stress, but experts say many people may be expecting more than the science can deliver.
Vitamins and Supplements
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.
Vitamins and Supplements
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.
Vitamins and Supplements
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.
Losing more hair than usual? Low iron may be the reason, not biotin
The biotin bottle in your cabinet may be doing less than you think.
NAD+ boosters are everywhere – but what do human trials actually show?
The animal data is dazzling. The human evidence, according to a 2026 systematic review, is not.
Beyond probiotics: the next gut supplement that researchers are watching closely
Postbiotics are showing up next to probiotics. Here's what the science actually says.
Low magnesium may be quietly pushing your blood sugar higher, even before diabetes
A 2026 trial links a common mineral shortfall to higher fasting glucose in older adults.
A nutrient that 9 in 10 Americans miss may be quietly harming their brains
Choline sits behind memory, mood and liver health, and most plates fall short.
Study of 153,902 people challenges effectiveness of calcium and vitamin D supplements
New research examines whether widely used dietary supplements actually protect older adults against falls and fractures.