The secret to Katy Perry's good health is not what you would expect

In addition to being a great source of vitamins A and B, apple cider vinegar contains the most important fatty acids. It also has minerals such as calcium, potassium and iron — among others.

The couple share a fondness for holistic and alternative methods to maintain health. Their philosophy is: a couple that takes care of health together, stays together.

Katy Perry has expressed her passion for apple cider vinegar's benefits. She says that she drinks it in its purest form, at least three times a day.