As mandated by law, these research chemicals are exempt from regulation under Title 21 of the Code of Federal Regulations and are strictly for laboratory use
Jensterle, M., Rizzo, M., & Janez, A
If your target dose is 2 mg, you draw 20 units
A Vitamin B12 deficiency may lead to various health problems, ranging from fatigue to permanent neurological changes
If recovery is a big problem, you would like to talk with your provider about other specifically studied possibilities aimed at that end
Most research-context use is oral capsules at 50 to 150 mg per day