does b12 injection have to be refrigerated

Size:1000 mcg/ml - 10 ml (Pack of 2) Skin Type: Suitable for all-over use, including sensitive areas hair growth Bacteriostatic Water for Injection with Preservative by Hospira Pfizer https://soleilmedicalspapdx.com/storage/2025/10/Vitamin-B12-Shots-in-Portland-OR.webp

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