bac water review 30ml Bacteriostatic (each) – BAC Water 10ml – Pure
Description
If you or a family member has a history of Lebers Optic Neuropathy, do not take B12, as it may cause permanent vision loss

Sikiric, P., Seiwerth, S., Grabarevic, Z., et al
When they happen, they usually occur only after the initial doses and fade as your body adjusts

Yes, it is safe when used correctly under professional advice
