The body readily converts cyanocobalamin to active forms through normal metabolic pathways, so bioavailability differences between B12 forms are minimal in individuals with intact conversion capacity
The Pharmacist Guide to Assigning a Beyond-Use Date to a Compounded Sterile or Nonsterile Preparation (PDF)
Gastrointestinal effects: Concomitant use of diclofenac and prednisolone in the treatment of arthritis may provide additional therapeutic benefit and permit reduction of glucocorticoid dosage
One study, in particular, suggested that while it could not reverse the effects, a mixture of B12 and Omega-3 could slow down mental decline for early-stage dementia patients
Cycling and breaks Given the unknowns about long-term continuous use, many researchers implement cycling protocols
I have shifted to Pascoe, and they are almost pain free