Hi Steve-
I used the flax to add fiber and omega 3's to the protein bars. I would guess that between the nut butter, agave and coconut oil, that the bars would still hold together even if you omitted the flax. Let me know how it goes if you experiment.
I have gone through different phases with flax; it used to irritate my gut. For the last year or so I do really well with it mixed with other foods in small amounts.
BTW, you have set up an amazing forum here! I am really enjoying it. Thanks for all of your work!!!!!!
Elana