Met Acid Test - B12 Status 1 kit
Met Acid Test - B12 Status 1 kit
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$84.95 USD
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$84.95 USD
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The Vitamin B12 test measures a substance called methylmalonic acid (MMA) in the urine, which is a specific indicator of low B12 status. The more MMA you have, the more likely you are to be low in this critical nutrient.