Weird Glow Suggestion: "Grass-fed cheese"

Ashley • Wed, Mar 12 2014 • Astrophysicist TTC @ 33. Oliver & Alessa born/passed Sept 2008. Emma born Aug 2010. James stillborn Jan 2015. Sarah born Jan 2017.

I love that Glow is suggesting I consume only 100% "grass-fed cheese." I'm just curious how they get the cheese to eat the grass. ;)