Comment by mikenon

Up to a year, according to [1]. A staff member on their forum said similar, [2] "We're probably going to stick with 1 year shelf life when kept in cool dark place, thought it'll likely be much longer in actuality."

[1] http://www.rosalabs.com/about/

[2] http://discourse.soylent.me/t/official-word-on-shelf-life-of...