Little Big Shots’ Immune-D is a liquid vitamin and mineral supplement for dogs. The product is taken once daily, and its blend of over 200 essential minerals, antioxidants, amino acids and vitamins gives dogs their best shot at a longer, healthier life, the company reports. With an absorption rate of up to 90%, and key all-natural ingredients like immunity-boosting superfood chaga mushroom, calcium, potassium, iron, and magnesium, one daily dose of Immune-D can slow down the aging process and support longevity, health and wellness, the company adds.