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Allergic reactions are very rare, but if you ever experience itching, rash, or difficulty breathing after receiving a B12 injection, please seek immediate medical attention or contact our office right away

Nature 468 , 310315 (2010)

Several factors, including genetics, sun exposure, and certain medical conditions can influence melanin production

Another possible mechanism to explain LC may be that the initial infection triggers a broad immune response characterized by inflammation and immune dysregulation (1, 23)

It participates directly in methylation reactions and is present in circulation and tissues

Coy JF, Dressler D, Wilde J, Schubert P