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Serum B12 alone can sometimes be misleading MMA levels provide a more functional assessment of whether your body is actually utilizing the B12 available to it
The first rep came crashing down with a deafening BANG
Most available products are marketed as research chemicals or for laboratory use only. This creates significant and very real risks: Contamination and impurity : Products from unverified vendors may contain impurities, incorrect concentrations, or even entirely different compounds than whats advertised on the label
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