What is the difference between B12 and B12 active? Understanding Your Vitamin Levels
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4 min read
Did you know that up to 90% of the B12 circulating in your bloodstream may be inactive and unusable by your body's cells? This is the critical distinction that clarifies **what is the difference between B12 and B12 active?** and explains why many people with a 'normal' B12 test result may still experience deficiency symptoms.
