What are Derek's successful businesses?

Derek from More Plates More Dates has built several successful businesses, leveraging his expertise and personal interests:

1. Gorilla Mind: This company specializes in supplements and has become one of the top-selling pre-workouts on Amazon 1.
2. Merrick Health: A telemedicine company focusing on preventative medicine and hormone optimization 1.
3. Intelligent Elephant: A business providing hair loss prevention products. 2.

These businesses have been highly successful, reportedly generating tens of millions in revenue 3. Derek's strategy involves starting with affiliate marketing of products he personally uses, and then transitioning to creating and selling his own superior versions of those products 2.