Gastrointestinal symptoms (more common with oral preparations): Mild nausea or upset stomach Diarrhoea (typically with very high doses) Other effects: Headache, particularly when treatment is first initiated Dizziness or light-headedness Skin reactions such as mild rash or itching Temporary reddish discolouration of urine (chromaturia) after hydroxocobalamin injections, which is harmless It is important to note that many symptoms attributed to B12 supplementation may actually represent the body's response to correcting a deficiency
Some studies have shown that excess B12 can build up in people with reduced kidney function, potentially worsening their health
If you believe you haveor have been told by a healthcare professional that you havea B12 deficiency, you must seek medical advice from a qualified medical practitioner
For some, there is the possibility that it will interact adversely with other injections or supplements that you are currently taking
Our Vitamin B12 Therapy Menu The B vitamins are involved in all of the energy production pathways in the body
[DOI] [PubMed] [Google Scholar] 108.Sozer K., Gorgulu Y., Sonmez M.B., Kose Cinar R