Feline Caviar has alfafa in it (on your list of 'don'ts') , and picky cats will NOT touch this. Not even my feral fosters would eat this, and they are far from picky.
"While no evidence points to cranberry toxicity, the nonprofit notes that the potential toxicity of another fruit, grapes, was...
This particular clay will not harm her. The clay used in litters is different, and sometimes toxic. See my post above for a link with info on the clay contained in all. My male cat has tummy trouble too and he has had absolutly no problem transitioning to this food from Orijen.
"Animals, domestic and wild alike, are instinctually drawn to clay deposits have been observed licking the clay as part of their everyday diet, and rolling in it to obtain relief from injuries." Source: http://www.shirleys-wellness-cafe.com/Earth/Montmorillonite.aspx#sthash.RZ4foh8O.dpuf
Also...