I just toss them in.
When I was grinding them, I used this:
http://www.walmart.com/ip/As-Seen-on...e-Set/15707852
The small cup with teh flat blade attachment would pulverize 12 pills in seconds, with literally the tap of my finger. I already had this unit because I make smoothies every morning, but I wouldn't spend $50 on this just to crush horse pills ;)

