Suitable for clinics, pharmacies, hospitals, medical offices, and healthcare settings under professional direction
(For ultrashort 4 mm needles, a 90 angle without pinching may be used, but for typical 812 mm needles, 45 with pinched skin is recommended.) Do not aspirate for subcutaneous injections [16]
B12 injections are contraindicated for individuals with Lebers hereditary optic neuropathy, severe kidney disease, known cobalt or cobalamin allergy, and polycythemia vera
Attach a 22 gauge 1 inch needle to a 3 mL syringe
Potential CNS Access : Some research suggests nasal administration may facilitate direct transport to the central nervous system via olfactory and trigeminal nerve pathways, though this remains an area of ongoing investigation [5]