Rob lives on a carefully-constructed drink, containing all essential nutrients, which he calls “Soylent.”

Rob Rhinehart tells us:

Food is the fossil fuel of human energy. It is an enormous market full of waste, regulation, and biased allocation with serious geo-political implications. And we’re deeply dependent on it. In some countries people are dying of obesity, others starvation. In my own life I resented the time, money, and effort the purchase, preparation, consumption, and clean-up of food was consuming. I am pretty young, generally in good health, and remain physically and mentally active. I don’t want to lose weight. I want to maintain it and spend less energy getting energy.

I hypothesized that the body doesn’t need food itself, merely the chemicals and elements it contains. So, I resolved to embark on an experiment. What if I consumed only the raw ingredients the body uses for energy? Would I be healthier or do we need all the other stuff that’s in traditional food? If it does work, what would it feel like to have a perfectly balanced diet? I just want to be in good health and spend as little time and money on food as possible.

I haven’t eaten a bite of food in 30 days, and it’s changed my life.

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And what exactly is in Soylent? Rob isn’t telling. He’s afraid it might not suit your metabolism. You might croak on a diet of the stuff, and your survivors might sue him. But, he is offering to send you a free supply, if you get medically tested before and after trying his diet and then inform him of your results. link

It seems to me that a clever fellow could synthesize the same sort of thing just as well or, dare I say it? even better than good old Rob. For instance, I bet a little vodka would help a lot…. (sound of loud, echoing manaical laughter coming from the laboratory)