can b12 injections cause muscle pain

[DOI] [PubMed] [Google Scholar] 53.Fusco W., Lorenzo M.B., Cintoni M., Porcari S., Rinninella E., Kaitsas F., Lener E., Mele M.C., Gasbarrini A., Collado M.C., et al sub_Formulated with AHK-Cu Size:10mg-Reconstituted Vitamin B12 3000mcg Injection Rx | PBS Animal Health https://preview.redd.it/huge-swelling-and-bruise-at-injection-site-v0-57hmumznno6f1.jpg?width=640&crop=smart&auto=webp&s=014cd4cf884964ca062ff9344354b62955667ffa

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