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They actually haven't. The closest is "booster shakes" which you can use to replace a lunch, here and there. But that's it. None of them say you can stop eating food all together. I've sat down and done the research and tried to find a single one that would actually say you could use it as a meal replacement, and there aren't any. The only thing really are ones that they keep coma patients alive with, which isn't exa…
Shakeology and Garden of Life have been making MREs for years now. You've probably not heard of them because they target vegans and are very expensive.
[1] http://diy.soylent.me/recipes/people-chow-301-tortilla-perfe... [2] http://robrhinehart.com/?p=570