Name: What’s really in your supplements? What a cardiologist says to check before buying
Uploaded: 2026-09-01T12:08:55
Duration: 3 min 3 s
Description: Americans spend billions of dollars each year on vitamins and supplements, hoping to improve everything from heart health to sleep. But with thousands of products available in stores and online, figuring out which ones are worth taking can be confusing.

Health

What’s really in your supplements? What a cardiologist says to check before buying

Published: September 1, 2026 at 8:08 AM

Americans spend billions of dollars each year on vitamins and supplements, hoping to improve everything from heart health to sleep. But with thousands of products available in stores and online, figuring out which ones are worth taking can be confusing.