US$ 21.29
b12 level 2000 after injection Horizon CobalJect Vitamin — Horizon Agresources Vitamin B12 | The BMJ
Description
98% purity, lyophilized powder, 5mg per vial.

Evidence-based dosing from 300-500mcg.
Certificate of Analysis (COA): Pending

Louis, and how they can help you.

B12 deficiencies are extremely common and can be a major health risk
