Set reminders if needed
If youve heard of B12, it may be because, for a brief time in the early 10s, various celebrities, including Madonna, Justin Timberlake, and Charlize Theron, were injecting themselves with this vitamin and touting it as a cure for everything from depression to exhaustion

General Precautions For research use only Not for human administration Check compatibility Verify that reconstituted compounds are compatible with benzyl alcohol Observe for precipitation Some compounds may precipitate or degrade in the presence of benzyl alcohol Dispose properly Follow institutional guidelines for pharmaceutical waste disposal Report adverse observations Document any unexpected reactions or incompatibilities Quality Assurance USP Standards Bacterostatic Water for Injection must meet United States Pharmacopeia (USP) standards for: Sterility Free from viable microorganisms Pyrogenicity Endotoxin levels below specified limits (typically standards for visible and sub-visible particles pH Within specified range (4.5-7.0) Benzyl alcohol content 0.9% acceptable variance Certificates of Analysis Reputable suppliers provide Certificates of Analysis (COA) with each lot, documenting: Lot number and expiration date Sterility test results Endotoxin testing results pH verification Benzyl alcohol content verification Particulate matter testing Always verify COA availability when sourcing Bacterostatic Water for research applications

Specifically, methylation controls gene expression and gene silencing
If you see B12 marketed as limitless, routine, and context-free, thats a red flag