Oral vitamin B 12 versus intramuscular vitamin B 12 for vitamin B 12 deficiency
neither carries a regulatory determination of efficacy or safety for human therapeutic use
Gallbladder events rise modestly, especially with rapid loss. Less common signals include skin dysesthesia, which is now on the label, and a small thyroid-cancer association from two different instruments: a nested case-control study and an RCT meta-analysis, both on a small absolute event base. Depression and suicidality remain unproven
You should expect, as with any injection, to have some redness and swelling
Enhanced Energy and Vitality: The combination of B12 and other essential nutrients can boost energy levels, providing the stamina needed for regular exercise and daily activities
This usually settles within a day or two