Enzyme activity is measured in Food Chemicals Codex (FCC) units. Store tightly sealed in a cool, dry place. Keep out of reach of children. NOTICE: This product contains Cascara Sagrada Bark and Senna Leaf. Read and follow directions carefully. Do not use if you have or develop diarrhea, loose stools, or abdominal pain because Cascara Sagrada Bark and Senna Leaf may worsen these conditions and be harmful to your health. Consult your physician if you have frequent diarrhea or if you are pregnant, nursing, taking medication, or have a medical condition. California Residents Proposition 65 WARNING: This product contains substances known to the State of California to cause cancer and birth defects or other reproductive harm.