Jillian Michaels DVDs what one to start with???

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Hello everyone,

I read a lot about Jillian Michaels DVDs and I would like to try it. However there is few of them and I’m not sure what one to choose. What’s the difference between 30 day shred, Ripped in 30 and extreme shed shred??? Could you please advice me witch one to start with??

Thanks :)