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Third-party testing (HPLC purity, mass spectrometry) is essential

Vegetarians and Vegans Since B12 is primarily found in animal products, vegetarians and vegans are at a higher risk of deficiency

As indicated in a recent report of the International Myeloma Working Group Mass Spectrometry Committee, although requiring assessment in a specialized laboratory, mass spectrometry can be effectively used to evaluate M-protein levels in treated patients and achieve high sensitivity in detecting residual serum M-protein

If the body properly uses B12, studies show it can stay in the body for up to five years

If you have an allergy to either of these chemicals, you should not get the vaccines