How to get rid of this body odor ?

okay i have this strong smell coming from my armpits. its gross and smells really bad. i cant seem to get rid of it. i used the Aloe Mineral Deodorant stick Deonat, Suave&Secret deodorant, and when i take a shower i use a loofah & the dove pomergranate body wash. none of it is working and i even tried using regular soap and water. i dont play any sports or do any activities , i just stay inside the house ! Somebody help me , I HAVE TO GET RID OF THIS BODY ODOR !