b12 im injection dosage Shots for Adults: How Much and How Often B12 Injection Dosage and Frequency:

Draw the prescribed amount into the syringe, then remove air bubbles

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

If you don't like organ meats, your next best bet is clams

Freeze/thaw cycles can degrade peptide structure and should generally be avoided