vitamin b12 dosage 5000 mcg injection for Adults: Guidelines Vitamin B12 Hydroxocobalamin 5000mcg 2ml

A: Methylcobalamin 2500 Mcg Injection is recommended for Vitamin B12 deficiency, neuropathy, and anemia

[1] In practice, 1 mL (which provides the full 100 mg of B and B, etc.) is a common dose for general supplementation in deficient states, but clinicians may start with lower volumes for mild deficiencies or in smaller patients

You will likely experience increased energy and mental clarity within 24 to 72 hours post-injection

Digestive upset: Some patients report nausea, diarrhea, or stomach upset following injections

doi:10.1146/annurev.nu.05.070185.000555

Learn about what B12 shots are, how they work, risks and side effects, and more