Grizzly Salmon Oil for Cats is an all-natural Omega-3 supplement made in the USA and sourced from wild Alaskan salmon. It boasts high concentrations of the long chain Omega-3 fatty acids DHA and EPA, known to be very beneficial for a cat's immune system as well as for a healthy skin and coat. It comes in a very easy-to-use pump bottle with weight based directions, so you can be sure to administer the right amounts to any type of cat food; most cats love its natural salmon taste.Add daily to your pet's food according to the weight chart below. For best results, use regularly on a long-term basis. For 4 oz and 8 oz bottles: One pump stroke equals approximately 0.07 fluid ounces / 2 ml. For 16, 32 and 64 oz bottles: One pump stroke equals approximately 0.12 fluid ounces / 3.5 ml.