【Liquid Collagen for Dogs 】Our collagen for dogs is in liquid form for better absorption, which can help to replenish dogs and cats with nutrients for a shiny coat and more vibrant skin, and help to boost their immune system. 【Skin and Coat Supplement for Dogs 】Vitamins are vital to the health of dogs and cats, and a deficiency in any of these vitamins can lead to health problems. Our dog collagen is enriched with Vitamin A, Vitamin D3, Vitamin E, Vitamin B1, Vitamin B6 and Biotin. Biotin has a significant impact on the coat, skin, and overall health of dogs and cats. 【Instructions and Precautions for Use】Add the dog collagen to dog or cat food once daily. It is recommended to finish feeding within 1 month after opening. Note, please shake well before use. This collagen for cats is only for dogs and cats, please avoid children contact. Please keep it in a dry place at room temperature and keep it away from light. 【For Dogs and Cats】Our collagen for dogs is suitable for both dogs and cats. Refer to the instructions and add the right amount of collagen to your dog or cat's food depending on their weight. 【After-sales Service】If you have any questions about our products in the process of using, please contact us in time, and we will do our best to solve your problems. Our liquid collagen for dogs is suitable for both dogs and cats. It is enriched with Vitamin A, Vitamin D3, Vitamin E, Vitamin B1, Vitamin B6 and Biotin, which can help to replenish dogs and cats with nutrients for a shiny coat and more vibrant skin, and help to boost their immune system.