Dog meat

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

Characteristics
Dog Meat is composed of the flesh of a wasteland canine. It can restore some of your hit points, but also gives you a small amount of radiation. Additionally, in Fallout: New Vegas hardcore mode it can reduce Starvation by 35, at the expense of -2 strength for a 2 minute duration.

Fallout 3

 * It is always found on a vicious dog, however it can also be found on Talon Company mercs, scavengers, raiders, wastelander guard dogs, feral ghouls and even on super mutants. Dogmeat is no exception.

Fallout: New Vegas

 * Dog meat is found on friendly and wild dogs. Vendors and traders don't sell dog meat.