Cod Liver Oil

Cod liver oil is a fairly common dietary supplement for dogs and is usually found in capsule or liquid form. Today, you can find cod liver oil in more commercial dog foods than in the past, particularly in high-end and boutique brands. It's also commonly used as a natural anti-inflammatory treatment and is known to help promote healthy skin, nails, and a glossy coat.

It's also commonly used as a natural anti-inflammatory treatment.