Advocare 24 Day Challenge?

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I just got my products and I start the 10-day cleanse tomorrow. Has anyone out there done the Advocare challenge? Just wondering. Especially interested in connecting with anyone who works the night shift (7pm-7am) and has done the challenge...our night shift schedule isn't exactly conducive to regularly scheduled meals, snacks, and supplement times.

Do you have to do the meal replacement shakes for breakfast? I hate meal replacement shakes (they always smell like tube feeding to me...which makes me nauseated).

I fell in love with Spark after a trainer leading my weekly boot camps brought some. I love having it as a boost during my long night shifts at work. I actually became a distributor just for the personal discount on everything (especially Spark).