how long do vitamin b12 injections last Are Shots Right for You? How Long Does a B12

Heres how specific conditions can impact the use of B12 shots: Heart Disease: While B12 is essential for overall health, excessive amounts of vitamin B12 in the body may sometimes cause an increase in certain heart disease risk markers, particularly for individuals with pre-existing cardiovascular conditions

Common Signs of Low B12 Not sure whether a shot makes sense

Liver Disease: Individuals with liver disease may have impaired vitamin B12 metabolism, and injections may need to be closely monitored

You may feel the noticeable effects for about one to two weeks, but traces of the vitamin can linger longer because your liver stores some of it

Lebers Disease: People with Lebers disease, a rare inherited eye condition, should avoid vitamin B12 injections