 And that's what I love so much about being a Relief Factor customer. With my lower back pain that I used to have, I didn't want any kind of prescription way to try to get out of pain. I know how dangerous that can be. Well, Relief Factor was developed by doctors and uses a unique formula of natural ingredients. It doesn't just mask the pain. It helps reduce or even eliminate it. Wherever you're hurting, back, neck, joints, muscle pain, in three weeks or less, if you're like me, you'll start to feel the difference all day, every day.