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Store lyophilized material at 4 F (20 C) or below Allow vial to reach room temperature before opening Protect from light, heat, and humidity Use sterile laboratory equipment during preparation Avoid repeated freezethaw cycles Label reconstituted samples with preparation date and concentration Following these practices helps support consistent and reproducible laboratory results

Chemical Reviews, 105 , 29993093

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Because vitamin B12 is important for maintaining your energy levels, some people promote taking high doses of vitamin B12, far beyond the recommended dose, to improve their health