is b12 injection subq or im Mic Injections Subcutaneous Intramuscular Can mic B12 be injected subcutaneously? Vitamin B12 Injection Sites: All
Description
The standard dosage for Vitamin B12 injections in adults is 1000 mcg (1 mg)

Factors Affecting Individual Dosage Requirements Even though 1000 mcg is the usual dose, some people might need more or less

Stimulants cause tolerance development, meaning increasing doses are needed for the same effect

16, 2004 BioWorld Science Endocrine/metabolic

Kraus D, et al
Always consult with a qualified healthcare provider for any medical concerns or questions you may have.
