Give your flock a treat they’ll love and support their immune health, too, with Nutrena NatureWise TidBits Immunity Support Chicken Treat. These healthy treats are fortified with probiotics, postbiotics, vitamin E, and selenium to strengthen and support your feathered friend’s immune system and overall vitality. Plus, they’re blended with scratch to make them irresistible as well as functional. Simply supplement your layer feed with these occasional treats to aid in nutrient absorption and promote long-term flock health.