However, injections have an important edge over oral supplements that you may not be aware of
Effects of repetitive peripheral magnetic stimulation through hand splint materials on induced movement and corticospinal excitability in healthy participants
And it can be helped by clinician-supported weight loss treatments, like GLP-1s
TMJ, Masseter & Disc Repair For TMJ patients, BPC-157 accelerates healing of overloaded masticatory muscles (masseter, pterygoids, temporalis), reduces inflammatory activity within the joint capsule, supports collagen remodeling in the articular disc and periodontal ligament, and modulates the chronic trigger point pain patterns that drive referred jaw headaches
But if you have nerve damage from your lack of B12, it could be permanent
Deficiencies can be observed more frequently, with older persons as well as vegetarians and especially vegans representing risk groups (Shipton and Thachil, 2015)