Organic kelp meal feed powder is made of premium quality North Atlantic Sea Kelp, it contains 60+ minerals (calcium, magnesium, nitrogen, phosphorus, potassium, sodium, sulfur, cobalt, copper, iodine, iron, maganese, selenium, etc.); 17 amino acids, including lysine, hystidine, and proline; vitamins A, B1, B6 (Niacin), B12, D, E, and K. Directions: (Mix kelp into feed at a 1% of grain ratio) Excellent choice for keeping your Chickens and Ducks happy and healthy!