Dr Marty Natures Blend Sensitivity SelectDr Marty Natures Blend Sensitivity Select Premium Freeze Dried Raw Dog Food For Dogs With Food Sensitivities Dr. Marty Natures Blend Sensitivity Select is a premium freeze dried raw food designed specifically for dogs with food sensitivities. It combines premium poultry, seeds, veggies, and fruit to support your dogs easy digestion, healthy skin, youthful energy, and healthy joints with ZERO common problem foods, artificial preservatives, or fillers.