Bloatfly meat

 is a consumable item in Fallout 3 and Fallout: New Vegas.

Characteristics
It can restore some of your hit points, but also gives you a small amount of radiation.

In Fallout: New Vegas it can also be used to make Bloatfly slider at a campfire. Additionally, in hardcore mode it can reduce Starvation by 25, at the expense of -1 strength for a 2 minutes duration.