Medical and health applications are mainly used to treat various VB12 deficiency disorders, such as megaloblastic anemia, anemia caused by drug poisoning, aplastic anemia, and leukopenia; When used in combination with pantothenic acid, it can prevent malignant anemia and help to absorb Fe2+and secrete gastric acid;

It is also used to treat arthritis, facial nerve paralysis, trigeminal neuralgia, hepatitis, herpes, asthma, and other allergies, allergic dermatitis, measles, eczema, and bursitis; VB12 can also be used for the treatment of neuroticism, irritability, insomnia, memory loss, and depression.

New research shows that VB12 deficiency can also cause mental disorders such as depression. VB12 is very safe as a therapeutic agent or health product. VB12 that exceeds several thousand times the RDA has not been found to be toxic by intravenous or intramuscular injection.