whats in b12 injections Shots at Home: How, Where & How Often to Inject Yourself Why B12 Shots Are Popular
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testicular cancer can cause HCG to appear, but HCG doesn't cause cancer

[DOI] [PMC free article] [PubMed] [Google Scholar] 102.Schreiber R, Diwoky C, Schoiswohl G, Feiler U, Wongsiriroj N, Abdellatif M, et al

A serum B12 level above 300 picograms per milliliter (pg/mL) is considered normal

If there is a B12 deficiency with anemia, folic acid should not be taken, even if it initially alleviates the symptoms of anemia
