Intense HIIT workout to lose weight _ 20 mins

This workout will help you loose fat and build your body quickly.
It's completly safe and it has been tested.
All you need is 20 minutes a day and you'll see the difference.
If you're not doing sports usually it should be hard a little bit in the first days, later your body will be more accomodated and you will feel better.
Just try it and let me know the results in the comments.