Permitting compounding could improve manufacturing and medical supervision, but it might also give experimental treatments a legitimacy that the evidence does not support
The withdrawal of whole blood is permitted for the purpose of separating and locally re-inject platelet-rich plasma
Pyridoxine: Side Effects, Uses, Dosage, Interactions, Warnings
Without a clear calculation method, it is easy to end up with concentrations that are either too strong or too weak
UK B12 treatment for B12 deficiency without neuro symptoms is 6 loading jabs over 2 weeks followed by a jab every 3 months for B12 deficiency with neuro symptoms present, it is a B12 loading jab every other day for as long as symptoms continue to get better (could mean loading jabs for weeks even months) then a jab every 2 months UK b12 documents BMJ B12 article bmj.com/content/349/bmj.g5226 BSH Cobalamin and Folate Guidelines b-s-h.org.uk/guidelines/gui
The 0.9% concentration in bacteriostatic water inhibits bacterial growth in multi-draw vials