Dr. Steven Gundry, MD, a renowned heart surgeon and author of the best-selling book Dr. Gundry’s Diet Evolution, has just revealed shocking research linking one of today’s most popular cooking oils to a higher risk of health issues.

In his research, Dr. Gundry discovered that when this oil was tested under high heat, it became loaded with “trans fats”—the deadliest type of fat known to man.

Can you guess which oil it is so you can avoid it?

1 – Olive Oil

2 – Coconut Oil

3 – Canola Oil

4 – Avocado Oil

Once you’ve made your guess, click here to find out if you’re right.

Prepare to be shocked when you learn which oil it is.