There is also a small amount of protein and some minerals (calcium and magnesium) in bone broth, so technically, any fast that allows broth is not a true fast. But many people have found that the broth makes a longer-duration fast much more bearable. The gelatin and protein contained in the broth help diminish hunger pangs, and there are numerous other health benefits ascribed to bone broth, including anti-inflammatory effects and benefits for bone and joint health.