Doctors keep an eye out for allergic reactions or heart problems
In high-fat-diet rodent models, changes in body mass or adipose-tissue measurements may reflect the experimental metabolic endpoint being studied, but safety interpretation is stronger when paired with food intake, body composition, activity, general observations, serum chemistry, hematology, organ weights, and histopathology
I think maybe if they responded to emails addressing my questions and concerns about the proper dosages for my needs I could probably get better results
B12 Shots & B12 Injections: The Good, Bad and Alternative
Doctors use them to treat B12 deficiency and manage some health issues