ALKOSEL R397, Lallemand Animal Nutrition’s organic selenium yeast product based on the specific yeast strain Saccharomyces cerevisiae NCYC R397, is authorized in Europe as a nutritional feed additive for all animal species under the number EC N°3b8.11. The total selenium content in ALKOSEL R397 is guaranteed to range from 2,000 to 2,400 ppm, of which a minimum of 1,200 ppm is from selenomethionine.
