Have there been studies? How much better/worse would it be than a high starch, processed diet?
In: Biology
I don’t think there’ve been studies on multivitamins/shakes specifically, but conceptually similar ideas are completely possible. In the medical field, there’s Total Parenteral Nutrition, which gives you 100% of all the nutrients your body needs via IV. Soldiers can live a long time on military rations; in the Wild West days, people lived for weeks on pemmican; the Irish could live (poorly) off mostly potatoes.
Multivitamins and workout shakes? Sure, why not. Mind the bioavailability of the vitamins (i.e. how much of them the body can actually use), and yeah, I suppose you totally could live off multivitamins and workout shakes.
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