They're comparable in price if you're buying in bulk.

I guess if you want quality assurance you're going to have to pay for it.

2015: https://www.reddit.com/r/soylent/comments/3o1uit/a_note_abou...

2016: https://www.reddit.com/r/soylent/comments/4tabm4/found_mold_...

2016: https://www.reddit.com/r/soylent/comments/55q9ga/is_this_mol...