east feed,protein feed 99.9% rich contact us to order.legit suppliersA. Function and use1. Is a quality protein supplement ingredients, amino acid balance, may be a partial substitute for fish meal ,in order to reduce costs.2. Rich in a variety of vitamins and carotenoids, especially rich in vitamins B, can prevent vitamin B deficiency occurred.3. Rich in a variety of digestive enzymes, not only help to digestion ,but also improve certain enzyme activity in the digestive tract.4. Enhance immunity, adsorption Pathogenic factor, improve animal health.