If you camp with meateaters who will allow you to cook in their kitchen, you might track down veges and vegans once you get to the playa.
My thought here is that maybe it's too late to be too fussy and physical should maybe come first--Maslow and all.
The Lady with a Lamprey
"The powerful are exploiting people, art and ideas, and this leads to us plebes debating how to best ration ice.
Man, no wonder they always win....." Lonesomebri