The labelling convention of asthma inhalers may vary between countries to determine the delivered dose of a product in a particular country, read the accompanying medical literature and labelling of the inhalation device you are using
Swab the stopper before the reconstitution syringe enters it, and again before each weekly dose draw
What you describe isn't quite the same as '0', is it
For lower maintenance doses, NAD+ is frequently given as a subcutaneous injection, meaning a small volume is injected just under the skin (for example, in the abdomen, thigh, or back of the arm)
4 Unlike bioavailable forms of B12 like methylcobalamin, cyanocobalamin occurs only in trace amounts in the body, usually from cigarette smoking or other sources of cyanide
Hematologic response with cyanocobalamin injection