does vitamin b12 injections work if they've been refrigerated Your Ultimate Guide to Storing Injections! Vitamin B12 Injections | Concierge
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You can ask your doctor to do a blood test if you're worried you may have a vitamin B12 deficiency.

Here is the protocol

The involvement of a knowledgeable veterinarian experienced in FIP management is invaluable in guiding the treatment process and making informed decisions regarding the administration of B12 injections and other supportive measures

MECOQUB by Cubic Lifesciences is the most popular brand on this list, known for its quality and effectiveness

If you experience significant energy decreases that do not improve, consider whether other factors might be involved
