12/10/2025
Looking for clarity on supplements? A growing share of Americans are turning to dietary supplements to treat ailments and boost their health. Nearly three in five adults, and more than a third of children and teens, now take at least one supplement, fueling a $60-billion-a-year market of products that aren’t regulated like drugs.
Some supplements — which include vitamins, minerals, herbs, probiotics and more — can help fill nutritional gaps. But most offer no scientifically proven benefit, and some can be harmful.
Stanford Medicine experts bust five myths, including why most people don’t need them and why “natural” isn’t always safe.
Most people don’t need supplements, and ‘natural’ doesn’t always mean safe, according to two Stanford Medicine nutrition experts.