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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
Because B12 is water-soluble, your body uses what it needs for immediate metabolic tasks and stores a portion in the liver
That small percentage of benzyl alcohol serves as a preservative
Kits can be combined across strengths (5 mg / 10 mg) in the same shipment according to your purchase plan
Request a Certificate of Analysis (COA) from an independent third-party lab showing HPLC purity above 98 percent, correct molecular weight (1419.5 g/mol), and absence of common contaminants
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