Tennis Player Couple Makes $70 Million in a Year By Selling Superfood Powders
Based on the article, after Michael Kuech was declared cancer-free, the tennis player couple decided to bring their discovery to the next level. They focused on producing superfood powders until they launched Your Super in 2014.

The superfood powders of the couple hooked attention and a lot of people purchased from them. It kept on growing and they even reached the point of shipping the superfood powders.
Page 5