This dietary supplement is a high-dose vitamin B12 monopreparation that is primarily intended to compensate for a B12 deficiency or low B12 levels. The B12 is present as a highly bioavailable MHA complex with the three compounds methyl-, hydroxo- and adenosylcobalamin. - 500 µg vitamin B12 per capsule - Vitamin B12 as a highly bioavailable MHA complex - With the active B12 forms methyl- and adenosylcobalamin - With hydroxocobalamin for a better depot effect