This is because hypokalemia and thrombocytosis could occur due to the increase in erythrocyte metabolism following vitamin B12 therapy
However, it isnt possible to know exactly how much B12 you are receiving this way
What Is Vitamin B12 and Why Is It So Important

How It Helps Energy & Focus May reduce fatigue and support mental clarity Metabolism Support Helps convert food into usable energy Weight-Management Aid Can complement diet and exercise by supporting normal fat and carbohydrate metabolism Nervous System Function Supports nerve health and red blood cell production Your Care Journey Complete Intake Secure health profile submitted online Provider Consultation Licensed provider reviews your health history and determines if B12 injections are appropriate Prescription Coordination Sent to a licensed pharmacy for fulfillment Treatment Begins Your injections are shipped with instructions Ongoing Support Providers remain available for questions or adjustments Program Details Single-ingredient methylcobalamin (Vitamin B12) Available in 10 mL, 20 mL, and 30 mL multi-dose vials Injection supplies included (syringes, needles, alcohol prep pads) Dosage and vial size are determined by your provider, not self-selected

[2] Choose supplements from reputable manufacturers adhering to Good Manufacturing Practice, and consider seeking pharmacy advice when selecting products
Match your method to these guidelines for best results