Hello Adwait, thank you for your question. One of the core promises of ProMix is that we are antibiotic and hormone free. Please visit our website or email us if you have any other questions. Thank you
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. For best results supplements should be taken as directed over time, in conjunction with a healthy diet and regular exercise program. Results may vary.