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This direct delivery helps your body's cells get the B12 they need quickly and easily
Because injections do not rely on stomach acid or intrinsic factor, a much larger and more reliable share of the dose reaches your bloodstream, even when gut absorption is poor
Avoid exceeding your recommended dosage on the medication
Separate vials let the TB-4 or TB-500 dose rise without multiplying the other two peptides
It remains an investigational peptide, not an approved pharmaceutical
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