In the 50s, when chemotherapy wasnt yet available, massive doses of B12 shots were given to children with a neuroblastoma tumor every two days, for 2-3 years with great success: NEUROBLASTOMA: AN EVALUATION OF ITS NATURAL HISTORY AND EFFECTS OF THERAPY, WITH PARTICULAR REFERENCE TO TREATMENT BY MASSIVE DOSES OF VITAMIN B12
Specific Indications for Combined Therapy Tiaminal B12 injection is for people with both thiamine and cobalamin deficiencies
Immediate Impact : B12 shot provide an immediate boost in B12 levels, which can quickly alleviate symptoms of deficiency such as fatigue, cognitive decline, and mood disturbances
It has been life changing
People who dont produce enough intrinsic factors can become deficient
Vitamin B12 shots are usually 1000 mcg/mL