It is difficult to tell how much my dog has improved since he has several disorders. I intend to continue use and hope to see some changes. However I am concerned about using the latest shipment since it is so different from what I have been using. Previously the oil was clear and golden in color and this batch is very dark and cloudy. I have made many attempts to contact you about the safety of using this recent product but you have not answered any of my emails or phone messages. I chose your company since you were noted as the provider for trials being conducted at Colorado State University and I thought the quality would be consistent. I don't want my dog harmed by an inferior product and I am concerned . I hope you will get back to me.