How to Reconstitute Peptides Using BAC Water Peptide Reconstitution: Dosing, Mixing and Storage Guidelines Quick guide: reconstituting peptides the right way Sanitize vial & prep materials Add bacteriostatic water slowly (aim at the side) Gently swirl, don't shake Proper handling helps maintain Here is how you reconstitute any peptide There is no universal formula for reconstituting peptides. The amount of bacteriostatic water you use depends on the peptide, the dose you're running, and how Peptide Calculator: Precision In Dosage Calculation