before and after b12 injections results B12 Injections vs Pills: Richmond's
Description
Chen, L.K., and Roberts, D.A

Small batches, Miron violet glass packaging (which filters damaging light wavelengths), spray applicator to minimise air exposure and refrigerated storage

Another reason might be purely to help you lose weight and burn fat more quickly

2002;282:E13608

Conclusion: AOD 9604 intra-articular injection can significantly repair osteoarthritis cartilage, inhibit inflammation, relieve pain, improve joint function, and synergistically enhance the effect when combined with HA