www.facebook.com/coachkristyd - connect with me for help. So, do you need Shakeology for the 21 day Fix? If you ask me, YES. Of course, it's the best thing you can put in your body but since it is so easy and quick to make, it takes the guess work out of one of your meals. And if Autumn puts her stamp of approval on it for HER workout/nutrition plan regimen then I am going to follow it.