This has protein and fat in it, and has been designed specifically for astronauts in mind so maybe would be good for antarctic expeditions and high altitude mountaineering, extreme rock climbing etc where weight is a very serious issue. Saw this in trending news on FB yesterday so it must be true!
https://www.npr.org/sections/thesalt...ntent=20180203
https://www.npr.org/sections/thesalt...ntent=20180203