Healing is a very slow process, especially when going from 12-170
an additional way of healing in my opinion which could be decent would be bandages.
Bandages which are stackable to a limit of like 10?
Bandages are an single item in the toolbar which can have a 3 second heal time, where it forces you to use the bandage, and not sprint
They can heal for 15 health per use.
Can be brought for scrap from wasteland shops, or aegis shops!