Nordic Naturals Omega-3 Pet is an excellent source of omega-3 fatty acids. It promotes pet health and wellness, come in softgels for traveling convenience. Omega-3 Pet is derived from wild anchovies and sardines. Omega-3 Pet supports cellular health, immune health, joint and heart health and brain and eye development. NOTE: DOG USE ONLY. This product is no longer safe for cats. For cat supplement please use Omega-3 Pet, 2 fluid ounce product.