Good health starts with a strong immune system, so give your furbaby a natural boost with Earth Animal Apothecary Immune Support Herbal Liquid Immune Supplement for Dogs & Cats. This liquid supplement is formulated to support a healthy immune system. The natural formula features powerful herbs like astragalus root, echinacea root, turmeric, goldenseal, ashwagandha, elder berry, and echinacea leaf. This natural extract makes it easy to support your pal’s well-being. Plus, it’s easy to use. Just place the recommended number of drops directly in your pet’s mouth, or add the drops to their water bowl.