Because your body does not readily store excess amounts, toxicity from B12 is very unlikely, even at the higher doses used in injections
Schedule: Daily subcutaneous injections for 812 weeks, optionally extended to ~16 weeks for longer research goals
FDA staff had recommended against including emideltide, which is used for insomnia and opioid withdrawal, on the list in part because studies on its efficacy are limited and because there are alternative therapies available to treat those conditions
Optimal Balance Pharmacy compounds and dispenses
They dont seem to have a remit specifically to push the guidelines to the audience that needs to see them, namely GPs and nurses in GP surgeries
Patient safety comes first, not the sales numbers