Are antibiotics given to the chickens the egg whites are sourced from? Antibiotics are only administered to hens in order to treat illness and only under a veterinarian’s care. Shop all RXBAR products Related articles Are the chickens the eggs are sourced from given hormones? Do you use cage-free eggs? Does RXBAR use pesticides on its crops? Are RXBAR products keto friendly? What are the natural flavors in RXBAR products?