Betaine HCL

The manufacturer suggests:
Take no more than one capsule per meal unless directed by physician.

Do not allow capsule to dissolve in mouth, the acid may damage teeth.

Discontinue use if burning, discomfort or nausea occurs, do not take if stomach lining is irritated (ulcer) or with medications that may cause stomach irritation (aspirin, cortisone, etc...).
The gelatin capsules in this product are from beef gelatin.