Add to cart VitaFast® Vitamin B6 (Pyridoxin) 0,01 € The VitaFast® Vitamin B6 (Pyridoxin) microtiter plate test is a microbiological method for the quantitative determination of total vitamin B6 (added and natural vitamin B6) in food, animal feed and in pharmaceutical products. The microbiological test system is in accordance with international norms.