Royal Canin Canine Health Nutrition Adult in Gel Wet Dog Food provides advanced nutrition to meet your adult dog's unique nutritional needs. Every nutrient included in this diet has a specific purpose that contributes to helping your dog maintain optimal health and wellness. A range of B vitamins, including biotin, niacin, and riboflavin, along with minerals like zinc oxide and zinc proteinate, work together to nourish your dog's skin and keep his coat shiny. Biotin is also an important vitamin for supporting healthy nervous system function. With over 50 years of scientific research and observation, Royal Canin continues to deliver targeted nutrition to feed every pet's magnificence. Not satisfied? Then neither are we. Our formulas are 100% satisfaction guaranteed. (Just contact us for more details.).