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This product is not a drug, food, or dietary supplement and is not intended to diagnose, treat, cure, or prevent any disease

I don't see how you are getting that only 5mcg is lost daily: if you have injected say 1000 mcg of B12, most of it is peed out within a few days

We must obtain it through diet or supplementation, and its absorption involves a complex process that can easily be disrupted

Patients should maintain realistic expectations, as results may take several weeks or months to become visible

1 NOTE : Different manufacturers use different terms for tablets that are meant to dissolve sublingually in the mouth, but sublingual is considered a pharmaceutical term by the FDA, so dietary supplements are not allowed to 'label' using that word