One of America's top doctors is hoping you'll read this before you set foot in another grocery store.

Renowned cardiothoracic surgeon Dr. Steven Gundry has found an "invisible problem" affecting almost everything we eat. 

But almost nobody knows it's happening — except the big food companies responsible for it.

And Dr. Gundry's research shows it could be the true cause of low energy, digestive issues, and unwanted weight gain in millions of Americans over 35.