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Comment by ohwp | Hacker News Reader

I'm into reef tanks. Its incredible difficult to mimic sea water conditions. A lot of people have great results for years but there system can still collapse within days. A synthetic alternative was started called the DSR method improving a lot but is still fragile.

To me this shows that nature is ofter more complex than we think. Soylent might include all product a body needs but what about chewing for example.

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That's a good point, but I think you should take the "only soylent" idea with a grain of salt. I think it's more of a mechanical rabbit goal than a real one. Something to focus the product developers and the marketing. In real use, I expect this will replace some portion of what people eat.

That would be fine as an internal or pie-in-the-sky goal, but by making these claims they are exposing their customers to health risk and themselves to legal risk. There are hundreds of MRPs on the market, and many of them have more thought put into their formulations than Soylent, but none of them make the claim that you should or could live soley off the one product for any extended period of time.

Chew some gum?

This is a well known issue with canine dentition. The issue might be lack of textural variety, lack of hardness in partciular, but with humans the lack of variety is likely to be as disturbing as anything. The military I'm sure has plenty of data on this--and MREs are duly variegated.

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