Edit: http://en.wikipedia.org/wiki/Soylent_%2 ... 29#Dangers
Soylent in its present form almost certainly lacks some nutrients essential for normal body functioning and/or provides nutrients in inappropriate proportions, potentially causing serious medical problems if used long-term.[4] Partly this is due to the limits of current nutritional science, which likely still hasn't discovered some of the essential nutrients that we normally get from food.[4] Partly this is due to synergy between nutrients that are normally consumed together as part of the same food.[3] Each nutrient affects how much you absorb of other nutrients eaten at the same time; the relationships are complex and vary from person to person.[5] Even small variations in the amount of micronutrients that a person absorbs can have large, deleterious effects, such as kidney damage or altered bone density.[5] And partly there is danger because homemade Soylent is made without the kinds of regulatory safeguards and fine-tunings followed when making accepted artificial diets such as medical food.[1]
