Kristina Vogel: Germany
Dual Olympic & 6 times World Champion Cyclist
"I am sending you this letter with my personal reference about your product DuoVital Muscle Strength & Recovery which I used during my training and competition during the Olympic games 2016 in Rio de Janeiro. During periods of intense training and competition I use DuoVital Muscle Strength & Recovery because it optimizes my performance and by providing enhanced muscle strength and accelerating muscle recovery allowing me to perform at my maximum level".
Rene Enders: Germany
Olympic Medalist 2016 in Rio de Janeiro
"I am sending you this letter to provide you with my personal reference about your product Duo Vital Muscle Strength & Recovery which I used for my preparation and competition during the Olympic games 2016 in Rio de Janeiro. To ensure my highest performance during periods of intense competition I use Duo Vital Muscle Strength & Recovery .
The use of Duo Vital Muscle Strength & Recovery has proven of great value enabling me to complete the against the best cyclists in the world.
It provides the necessary muscle support and accelerating recovery to allow me to compete against the worlds best"
* Individual results may vary. In a controlled clinical evaluation in 50 kickboxers (25 receiving DuoVital Muscle Strength and Recovery) after 10 days of training 3 times daily and taking either a placebo or DuoVital Muscle Strength and Recovery prior to training the athletes taking Duo Vital Muscle Strength and Recovery improved their strength and time to run 1 mile while the control group reported no improvement. For Details of this study please see Learn More - Clinical Studies - German Human Study