For multi-dose peptide vials where you will be drawing doses over days or weeks, bacteriostatic water is the only responsible choice
Vegetarian sources of B12 include chlorella, nori, nutritional yeast and certain mushrooms, but many vegans and vegetarians have insufficient levels of B12 because its not widely found in plants. According to Mullane, not getting enough B12 can result in issues like anaemia, fatigue and more intense symptoms including shortness of breath, palpitations, pale skin, muscle weakness, numbness and tingling in hands or feet, blurred vision and memory loss
29-31 gauge insulin syringes minimize tissue trauma while remaining practical for peptide viscosity
Nerve problems may include numbness, pins and needles, vision changes and unsteadiness
These figures describe how the compound is used in research
Minimal discomfort, as the needle is small and quick