If you are newer to peptide reconstitution , the 2ml approach gives you more room for error
After application to a tissue, the solvent evaporates leaving behind a thin coating comprised of the monomers or polymers, and the active agent
Choosing Between Them For most research handling where a reconstituted peptide will be measured and drawn from over a period of days, bacteriostatic water is the standard choice because its preservative supports a multi-use storage window
Risk factors that should prompt consideration of B12 deficiency include advancing age (reduced stomach acid production), strict vegan or vegetarian diets, pernicious anaemia, gastrointestinal surgery (particularly gastric bypass or ileal resection), long-term use of certain medications (metformin, proton pump inhibitors, H2-receptor antagonists), nitrous oxide exposure (including recreational use), and conditions affecting the gut such as Crohn's disease or coeliac disease
Ohlsen K