57 mcg aluminum in b12 injections Cyanocobalamin Vitamin Injection 1000 — Mountainside Medical Cyanocobalamin B12: Energy & Nerve

Sublingual B12 sprays such as the Super Shot are also more natural since they do not include certain binding agents and additives used in many B12 capsules

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Dosing typically begins at a lower dose, suggested initiation of 4 units (0.04 mL) weekly for the first 4 weeks, then escalates according to a titration schedule: Weeks 1-4: Inject 4 units (0.04 mL) one time per week Weeks 5-8: Inject 8 units (0.08 mL) one time per week Weeks 9-12: Inject 18 units (0.18 mL) one time per week Weeks 13-16: Inject 30 units (0.3 mL) one time per week Week 16+: Inject 44 units (0.44 mL) one time per week Dosing may deviate from this pattern to accommodate patient-specific needs

Purity is an important quality indicator, but it is only one part of the overall quality picture