injection for b12 vitamin B.P. 1mg/2ml Rx only Sold in 100 mL B12 Shots: Benefits, Uses, Safety,
Description
Because B12 in its injected form is very rapidly absorbed by the body, the shots offered at Charleston Medical Spa are a superior option to simply relying on a Vitamin B supplement for the levels of B12 your body needs to function optimally

After that, a once per month dose is needed to maintain proper B12 levels

For a confirmed deficiency, their guidelines point to a specific type of B12 called hydroxocobalamin, given as an intramuscular injection

doi: 10.1042/cs0850277

Rare but Serious Adverse Effects Even though rare, serious side effects can happen

Nicotinamide deoxyriboside derivatives, such as nicotinamide 2-deoxyriboside and 5-methylnicotinamide 2-deoxyriboside, act as mechanism-based small molecule inhibitors of CD38 by forming stable covalent intermediates 132
