Theyre equally effective, but cyanocobalamin is more commonly prescribed
Modulation of hippocampal neural plasticity by glucose-related signaling
It is recommended to take one capsule daily at least half an hour before meals or two hours after meals
Some of these adverse effects reported were Toxic Epidermal Necrolysis (a rare but life-threatening skin condition characterized by painful blisters and large areas of skin peeling), air embolism, thyroid dysfunction, and liver, kidney, and neurologic toxicity (The dark side of skin lightening- PubMed) With the proliferation of med-spas in an unregulated fashion, there is a risk of inadequately trained or untrained people giving IV injections in a non-sterile way, which can lead to sepsis and transmission of infections like HIV and hepatitis
People often report how easy and painless the process is
10.1016/s1389-1723(00)80033-x J