Dear DEREK,

According to a top US doctor, people in a study who consumed an extract from one of the following fruits were able to achieve 123/77 blood pressure on average - in just 28 days.

Let's put your health knowledge to the test and see if you can guess it right:
  1. Grape
  2. Banana
  3. Guava
  4. Mangosteen
This is important news...

The doctor will reveal the answer in this short video.

Susan Lawson