Herbs have been used throughout history to support digestive and circulatory health. The xanthophylls in the calendula flowers deepen yolk coloring in eggs, and nettles have been known to increase eggshell strength when used regularly. The herbs in this mix have been selected for their known beneficial attributes and natural preventative properties. Always offer clean fresh water, age-appropriate grit, and oyster shell for laying hens. | Scratch and Peck Feeds Cluckin Organic Herb Chicken Supplement | Size 10 oz