should b12 injections be refrigerated

Nicotinamide-N-methyltransferase controls behavior, neurodegeneration and lifespan by regulating neuronal autophagy Vitamin B12 (Generic) Injectable Solution for Pets https://www.theivdoc.com/images/opt/images-merchandise_image_large-B_complex_Boost_1.jpeg Size:10 mL (1000 mcg / mL) Duluth Vitamin B12 Injections - Complete Healthcare Medical Center

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