What is in K9Biotics that will help my dog with skin issues and allergies?

The answer is Quercetin.

This powerful Bio Flavonoid supports the body's normal inflammatory response and also provides antioxidant properties. Research with Quercetin indicates it is helpful in supporting against stomach irritations, due to its ability to maintain a healthy stomach. Quercitin is an all natural anti-histamine used for allergies and skin irritations such as redness and hot spots that your pet's might be experiencing.