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Yes, you will be tested (every significant kind of life modification will test you)
Mass spectrometry can support identity confirmation, but a matching mass alone does not characterize sequence-related impurities, positional isomers, disulfide variants, aggregates, residual reagents, or all degradation products
This is my 2nd time ordering it and 4th time ordering other products from VITAstir
Although studies suggest all three forms are well absorbed, better retention appears to be achieved with the natural forms of vitamin B12
It's safe for diabetics (though they should consult their doctor before use)
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US$ 27.85
