The same one serving of Slimfast[1] has less than 10% of my daily calories, less than 2% of daily carbs, and between 35% and 110% of daily vitamins.

I don't see how it's a competitor to a drink (Soylent 2.0) that has exactly 20% of all macros and micros.

[1] http://slimfast.com/products/advanced/shakes/creamy-chocolat...