Imuquin is a veterinarian formulated supplement that provides immune support to dogs of all ages. The beta glucans in Imuquin help to support your pet's natural defense system - the immune system. Imuquin Immune Health Supplements are brought to you by Nutramax Laboratories Veterinary Sciences, the #1 veterinarian recommended supplement company. *Source: Survey conducted among small animal veterinarians who recommended animal supplements.