But sometimes, these levels of lactase naturally decline, either due to genetics, age, or underlying gastrointestinal (GI) conditions, says Sarah Robbins, MD, a gastroenterologist and nutrition ...

GanedenB30 (Bacillus coagulans GBI-30, 6086, lactase enzyme; chewable tabs; lactose, gluten-free; contains trace amounts of casein (milk protein); cherry flavor. <3yrs: not recommended.