Microcrystalline cellulose, hydroxypropyl methylcellulose, magnesium stearate, riboflavin (color).
Do not use this product if safety seal bearing sealed for your protection under cap is missing or torn. Inform a healthcare professional before starting any dietary supplement, particularly if there is a known immune-compromised condition. When first taking culturelle, you may experience minor bloating, gas or intestinal gurgling which should subside with continued use. Consult your healthcare professional if symptoms persist after two weeks.