For bodybuilders, the interest is practical: intense resistance training places repeated stress on muscles, tendons, joints, and connective tissue
After 4 weeks at therapeutic doses, most users report 50-70% reduction in pain, significantly improved function, and ability to resume modified training or activities
Even though its unlikely to cause serious toxicity or injury, you have to ask yourself if its worth it to put this form of B12 into your body knowing that it must be eliminated and detoxified
A.RaibleD
However, on October 1, 2025, the AMA CPT Editorial Panel deleted CPT code 0551U effective January 1, 2026
In diazepam chronically treated mice, it attenuated diazepam tolerance (provoked by later acute administration of diazepam together with convulsant) and postponed physical dependence/withdrawal effects (provoked by later administration of isoniazid)