Inside each recipe you will find a button at the bottom where you can download a printer-friendly PDF version.  On the PDF versions you will find little green symbols.  Here is what the little green symbols mean:

HP = High Protein (over 30g per serving)

V = Vegetarian

Q = Quick (under 30 minutes)

GF = Gluten Free

DF = Dairy Free

LC = Low Carb (under 20g per serving)