If the firearm is rated for +P ammo, that is where I would look for self defense ammunition.
But even then a steady diet is not good, so I would go to the store and purchase target loads for the range and self-defense for other stuff.
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)