b12 human methylcobalamin injectable Vitamin Injection Dosage for Adults: Guidelines The statements made on this website have not been evaluated by the U.S Compounded Methylcobalamin (Vitamin B12) Injection,
Description
Redness, mild swelling, tenderness, or slight bruising can occur where the peptide is administered

Vitamin B12 is mainly excreted in the urine and bile

Store immediately in the refrigerator

And the third included those without enough supporting information for the FDA to make an informed decision and therefore wouldnt be used for compounding
Discontinue if irritation occurs

The FDA has reported adverse events tied to dosing errors with compounded versions and urges caution and clear instruction
