Multi-use vial sterility window: Standard pharmaceutical practice for multi-dose vials with bacteriostatic preservatives
Lupin Pharmaceuticals, Inc
If multiple people are using the same vial in a shared lab space, you might also want to add the user's initials for each access
Good to know about b12, I always when available bought more than enough then disposed when out of date except on that one occasion
The injection of NAD+ may cause adverse reactions and side effects, such as headache, shortness of breath, constipation, increased plasma bilirubin, and decreased levels of gamma glutamyl transferase, lactate dehydrogenase, and aspartate aminotransferase (10,18)
If you prefer podcasts, listen to episodes All About Vitamin B12 Part 1 and Part 2