VetIQ Nutri-Boosters Healthy Treats for Puppies from Mark & Chappell are tasty, easy to administer treats that provide puppies with essential nutrients for a long, active and healthy life. They contain Omega-3 fatty acids, Zinc and essential Vitamins to help maintain a healthy skin and glossy coat. M&C Nutri-Boosters for Puppies provide a source of essential nutrients in a tasty treat, they are also an ideal treat for training puppies or indeed used in the bonding process between puppies and owners. They contain a concentrated source of Calcium and Phosphorus, which are essential for assisting the proper formation of teeth and bones. Vitamin D is added to maintain efficient calcium absorption, along with Vitamin A for eyesight. B-Complex Vitamins from Brewers Yeast and Biotin are added to help the body utilise food energy, while Vitamin E and Selenium are added for their antioxidant properties. Suitable for puppies aged 4 weeks or over.