Nectar bilberries Biology BIOTTA OF ALFRED VOGEL. Food healthy and organic products for the care of the body in accordance with the principles of Dr. Alfred Vogel, phytotherapeutic passionate who devoted his life to service men and nature. Excerpts from our own organic crops controlled transform the same day of its collection according to our procedure specially developed for treatment. Bioforce AG is the company producing preparations based on extracts fresh vegetables according to the original formulas of A. Vogel. PRESENTATION: Packing 500 ml.