b12 injections subq or im Vitamin Injection Sites: All You Need to Know Cyanocobalamin (b12) Injection 2,000 mcg/mL

All procedures performed in studies involving human participants were in accordance with the ethical standards of the Institutional and/or National Research Committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards

Some small studies suggest B12 (especially with B6) may reduce nausea, though more research is needed [*]

What Are Vitamin B12 Shots

24 25 Some patients may experience recurrence or worsening of symptoms when the interval between injections is extended or extended too quickly, and report that continuation of frequent intramuscular hydroxocobalamin injections, varying between twice weekly and once every three to four weeks, 65 is needed to remain asymptomatic

Fasting is usually unnecessary, although some clinicians prefer avoiding supplements shortly before testing.