A new discovery is making experts question everything we thought we knew about weight loss after 40.

During a revealing interview, Oprah opens up about her years-long struggle with weight, the more than 50 pounds she lost with medication, and, most importantly, what happened when she decided to stop the injections.

But what caught everyone’s attention was what happened next.

Instead of going back to another diet or continuing to rely on expensive medications, she claims to have discovered a simple morning ritual involving an ingredient you probably already have in your kitchen.

What does this ingredient have to do with the same hormones involved in the most popular weight-loss medications? And why does the expert interviewed say there’s more to this ritual than meets the eye?