Mark Lauren 90-Day Challenge | 8 DVD Total Fitness Bodyweight Exercise Program 

The 90-Day Challenge is one of the most efficient and successful fitness solutions of our time. Finally, you can achieve your fitness goals and make lasting positive change in your life with only 3-4 short workouts a week that can be done any time, any place. Millions of people around the globe train using Mark Lauren’s proven formula, which harnesses the power of your own body via bodyweight movements. There’s no need for fancy equipment or expensive gym memberships.