If your B12 deficiency is caused by longterm vegetarianism/veganism, monthly injections are recommended
Research Use Only (RUO), not for diagnostic or therapeutic or human use
Treatment was administered once daily for five sessions of a course of treatment
For a disulfide-containing synthetic peptide, a stronger analytical package may require orthogonal identity and purity methods, evidence supporting disulfide configuration, impurity profiling, assay or net peptide content, water and counterion determination, residual-solvent testing, and stability-indicating methods
Maybe you're one of those incredibly diligent people who always make sure to get their handful of vitamin supplements right after a big workout, along with their trusted green, protein-packed smoothie