Kind of. The problem is we need things in our diet besides just nutrients.
It’s pretty easy to cram together some protein powder, vitamin supplements, carbs, and fat with a binder and make a glorified Powerbar.
But that doesn’t supply, e.g., dietary fiber, and some of the trace stuff that our gut biome needs to stay functional.
I mean, humans can live on pemmican or similar for weeks or months on end – we’ve been doing it since forever.
But there’s a psychological downside to eating the same boring thing all the time, and morale deficits can lead to legit physical problems.
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