Bacon Though it is an enemy if you want to kick some calories, but if you want healthy hair then you should consume not more than 4 ounces – says Priya. It is loaded with all healthy hair promoting nutrients like vitamin B, zinc and protein.Bacon is a type of salt-cured pork. Bacon is prepared from several different cuts of meat, typically from the pork belly or from back cuts, which have less fat than the belly. It is eaten on its own, as a side dish, or used as a minor ingredient to flavour dishes.