what is the dose of vitamin b12 injection Oral vs. Intramuscular in Vitamin B12 Deficiency • Blood Project VITAMIN B12 INJECTION 1000 mcg/mL

Other side effects from too much niacin include: Itchy skin Rapid heartbeat Gout Nausea Vomiting Diarrhea Liver damage Vitamin B12 or Cobalmin Reports suggest that vitamin B12 can cause an allergic reaction, with symptoms such as: Itchy skin Hives Skin rash Tongue swelling Difficulty breathing Bloating Painful stomach Vitamin B7 or Biotin Another B vitamin that may cause an allergic reaction is vitamin B7

The injections are given intramuscularly, or into muscle

10.1016/j.biomaterials.2011.05.008 59 LiF.LiW.LiX.LiF.ZhangL.WangB.et al (2016a)

Side Effects and When to Call Your Provider B12 is water-soluble and very well tolerated

A blood test can be helpful to confirm deficiency, but it is not always required

It is particularly helpful in improving a healthy brain, maintaining body function, treating nutritional deficiencies, and can be used in lessening the symptoms of neuropathy