Medicine rarely works that way
The most prominent reason is the limited dietary sources of vitamin B12, which is primarily found in animal products such as meat, fish, dairy, and eggs
for a combined total of 10mg in a single vial, formulated for ease of research use and simplified compound handling within controlled laboratory environments
Because payer policies vary, you must internally track the preferred method for bilateral claim submission for procedures and intravitreal injections
Store at controlled room temperature between 15 and 30C (59 - 86F)
Nerve problems may include numbness, pins and needles, vision changes and unsteadiness