I started using Boswellia for 2 herniated discs in my lower back 3 months back.
I take one capsule twice a day along with a turmeric curcumin supplement. Very helpful, took a couple of weeks to get relief. May try White Willow and Devil's Claw as I read those help too with pain reduction.
I woke up with very bad back pain after a crazy hard exercise class at the gym and could barely get myself out of bed because my lower back was in a complete spasm. I had Boswellia which I was giving to my dog for his arthritis and started taking it twice a day. After 3 days the pain went away completely. 350mg 2x a day. Every so often my low back acts up again and I go back to boswellia for about a week.