Paw, Big Dog, Houndztooth and Vetafarm. Choose from easily administered chews, tablets, powders, oils, sprays, treats and water additives. Look for products that contain dog vitamins, minerals, probiotics, fatty acids, glucosamine, or natural ingredients. Di-Vetelact nutritional supplement and milk replacer meets the needs of dogs through all stages of life, from birth to pregnancy and lactation, convalescence and in senior years. It’s packed with 25 essential dog vitamins and minerals, 18 beneficial amino acids, plus fatty acids.