The lab-made kind are often used in medications, supplements, and injectable products
Nausea from vitamin B12 supplements is often related to inactive ingredients such as binders, fillers, or excipients rather than the vitamin itself
Certain peptides can form visible strands, cloudiness, gels, or precipitates after reconstitution
In general, as water activity increases so do reaction rates, but lipid oxidation is unique in that the reaction rate also increases at very low water activity (6)
Open questions heading into 2025 and beyond Important gaps remain
For therapeutic correction of deficiency , particularly in cases of pernicious anaemia or malabsorption, hydroxocobalamin injections are considered most effective in UK clinical practice