Derma-3 Twist Caps for Large Dogs is formulated to improve the appearance of your best friend?s fur, prevent dull hair and nourish her skin. It features concentrated omega-3 fatty acids as well as essential vitamins that contribute to overall wellness and promote proper immune system health. Omega-3s have also been shown to help him maintain optimum joint health and fluid mobility. Vitamin and nutrient supplement helps your precious pup achieve healthy skin and a great-looking coat while reducing itching. Omega-3 fatty acids help give his fur a smooth, lustrous shine, while preventing dull hair and nourishing his skin. Also contains essential vitamins including A and D3 to support overall wellness and promote proper immune system health. Omega-3s have also been shown to help him maintain optimum joint health and fluid mobility. Convenient twist caps can be administered whole, or twist off the tail to squeeze the contents onto food.