Sterile bacteriostatic water sold by Peptra Labs is supplied strictly for laboratory research use - for example, reconstitution of research peptides for in-vitro experiments and animal studies
Lyophilized: refrigerate at 28 C (35.646.4 F)
[510] The ACGME's Common Program Requirements required that institutions must engage in practices that focus on mission-driven, ongoing, systematic recruitment and retention of a diverse and inclusive workforce of residents, fellows (if present), faculty members, senior administrative staff members, and that organizations' programs implement policies and procedures related to recruitment and retention of individuals underrepresented in medicine and medical leadership. [511] In practice, many such diversity, equity, and inclusion programs unlawfully discriminate against Americans on the basis of race

One of the things B12 deficiency does is that it lowers immune responses which means that reactions that you would have had are either less noticeable or disappear - runny nose in colds was something that completely disappeared when I was deficient but came back with a vengeance when I started to recover - may be if your original migraine triggers were food related then they are starting to kick back in
How does MIC & B12 fit in
A 50mg vial reconstituted with 1mL gives you 50mg/mL