verify the sequence on the certificate of analysis (CoA) from a third-party lab
Side Effects of Vitamin B12 for Cats Fortunately, vitamin B12 is extremely safe
Klicek R, Sever M, Radic B, et al
Prescription products require an online consultation with a healthcare provider who will determine if a prescription is appropriate and safe for you

Reconstitution Reference 5 mg, 10 mg, and 20 mg Injection Vials Vial Size 5 mg BAC Water 1.0 mL Concentration 5,000 mcg/mL 250 mcg 5 units (0.05 mL) 500 mcg 10 units (0.10 mL) 1 mg 20 units (0.20 mL) 5 mg 100 units (1.00 mL) Vial Size 5 mg BAC Water 2.0 mL Concentration 2,500 mcg/mL 250 mcg 10 units (0.10 mL) 500 mcg 20 units (0.20 mL) 1 mg 40 units (0.40 mL) 5 mg Full vial Vial Size 5 mg BAC Water 3.0 mL Concentration 1,667 mcg/mL 250 mcg 15 units (0.15 mL) 500 mcg 30 units (0.30 mL) 1 mg 60 units (0.60 mL) 5 mg Vial Size 10 mg BAC Water 2.0 mL Concentration 5,000 mcg/mL 250 mcg 5 units (0.05 mL) 500 mcg 10 units (0.10 mL) 1 mg 20 units (0.20 mL) 5 mg 100 units (1.00 mL) Vial Size 10 mg BAC Water 5.0 mL Concentration 2,000 mcg/mL 250 mcg 12.5 units (0.125 mL) 500 mcg 25 units (0.25 mL) 1 mg 50 units (0.50 mL) 5 mg Vial Size 20 mg BAC Water 5.0 mL Concentration 4,000 mcg/mL 250 mcg 6 units (0.06 mL) 500 mcg 12.5 units (0.125 mL) 1 mg 25 units (0.25 mL) 5 mg 125 units (1.25 mL) Concentrations rounded for the table
