Any health food store should have hemp seeds as 'nuts,' protein powder and bars.

Don't know if Whole Foods carries them. I order them from Amazon where they are cheapest. http://www.amazon.com/Nutiva-Shelled-Hempseed-8-Ounce-Pack/dp/B001E5E1L4/ref=sr_1_2?s=grocery&ie=UTF8&qid=1325788488&sr=1-2