US$ 21.68
self injecting b12 Vitamin Injection Sites: All You Need to Know How to self-inject intramuscular vitamin
Description
Typical daily range: 2.55 mg once or twice daily (subcutaneous)

doi: 10.1016/j.ab.2020.113833

Better biochemical assays (e.g., holo-transcobalamin II) and functional outcome measures in mothers and children would help address this possibility
Mix gently : Swirl the vial until the powder fully dissolves