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Description
With sterile water (no preservative): The reconstituted solution should be used within 24 to 48 hours for single-use applications, or up to 7 to 10 days refrigerated if handling has been perfectly sterile
You also take this vitamin in combination with other B vitamins, such as B1 and so on

Epub 2018 Mar 15

10.1111/exd.14197 [DOI] [PubMed] [Google Scholar] 70
For maintenance or general energy support, no test is required
