does b12 injection have to be refrigerated

B12 Injections vs Oral Supplements: Which Is Better? Chorionic Gonadotropin https://www.trimbodymd.com/assets/faq/How-Long-Does-A-Vitamin-B12-Shot-Last.jpg Regular follow-up appointments with healthcare providers allow for ongoing assessment of B12 levels and adjustment of supplementation dosages as needed ::(placeholder)

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