Immune-D’s liquid supplement for dogs has a potent formula engineered to support a dog’s immune system with over 130 necessary minerals, antioxidants, amino acids and vitamins. The daily liquid shot can be placed on a dogs’ food or directly in their mouths once a day. It comes in three different sizes depending on the dogs’ weights. Available for dogs up to 25 lbs., for dogs between 26-69 lbs. and for dogs between 70-125 lbs.