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A C18 column is used with acetonitrilewater solution containing 0.1% formic acid as the mobile phase

At baseline, 67% of all enrolled women had less than adequate vitamin B 12 blood levels and there were no differences between the two groups

Sterile water has no preservative and is strictly for single-use applications, as it can become contaminated after being opened

alcohol impairs B vitamin status

Each 30mL multi-dose vial contains sterile water with 0.9% benzyl alcohol as a bacteriostatic preservative, enabling multiple withdrawals from a single vial while maintaining sterility between uses making it a reliable choice for research environments requiring a contamination-resistant aqueous solution