I am quite fond of mealworms, personally.
Chocolate covered crickets are tasty as well.
From a pet store, bait shop, or bulk insect supplier. In general, no. When it comes to this web page, what you see is what you get. If you are interested in learning more about entomophagy, there is a startlingly large amount of information about entomophagy available in various printed resources , and there are also several other entomophagy sites on the net. Properly raised crickets and mealworms do not carry any parasites or diseases communicable to man.