does a vitamin b12 injection hurt

Size:1000 mcg/ml - 30 ml x 2 The label also carries the storage direction I'd earlier said was missing B12 for Weak & Lethargic Pets Vitamin B12 Deficiency: A Fact Sheet on Signs, Treatment and Benefits https://www.stonebridgemed.com/wp-content/uploads/2026/05/Functional-Medicine-The-Colony-TX-Wolverine-Stack.webp

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