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Bioeffective I is a water-soluble natural extract obtained from the green needles and twigs of the Siberian fir (*Abies sibirica*) using a patented, low-temperature, high-pressure extraction process. Developed by Prenolica (formerly Solagran), the extract is a vibrant red liquid due to the presence of a natural iron-maltol complex, which provides highly bioavailable iron. Bioeffective I is marketed as an antioxidant and general tonic under the brand name Taiga Professional SIBERIAN RED. It is TGA-listed in Australia as an antioxidant product and approved in Russia as a soft drink concentrate and general tonic to support immunity, combat oxidative stress, and prevent iron deficiency.
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