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In short, if you experience worse tingling after B12 injections, it might result from the B12 deficiency itself, rather than the treatment or injections

Some foods are equally called histamine releasers

Genes Dev 31(4):370-382, 2017

Temperature excursions above 8C degrade the peptide structure, and no visual inspection can detect potency loss

You can try adding to coffee/tea, soups, porridge, protein shakes or yogurt
