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Compared to ongoing oral supplements that may not be absorbed effectively, an injection delivers a significantly higher return on each dose

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My doctor also uses the 1000 mcg cyanocobalamin for the shot, and I dont understand why he doesnt use the methylcobalamin instead

Takeaways Bacteriostatic water contains 0.9% benzyl alcohol preservative enabling multi-dose use for up to 28 days Sterile water provides maximum purity but requires single-use within 24-48 hours after opening Cell culture applications typically require sterile water due to benzyl alcohol cytotoxicity concerns Choice depends on experimental timeline, peptide sensitivity, and whether preservatives interfere with assays What is Bacteriostatic Water for Peptides