Controls flea populations by breaking flea life cycle Helps prevent flea re infestation of your pet Does not kill live fleas Last for 30 days 100% of flea eggs and 90% of pre-existing larvae are dead within 48 hours Easy to dose capsule form Administered orally Safe for pregnant and nursing cats and dogs Cats and dogs should be at least 6 weeks old and weight at least 2 lbs Expiration Date: 3/2027 Storage: Store in a cool, dry place, away from direct sun light avoiding temperatures below 32F° (0C°) and above 75F° (25C°). Do not refrigerate. Keep bottle tightly closed. Store and keep out of reach of children and pets. Not for human use. Side Effects and Warnings: Side effects are rare. May observe lack of appetite, vomiting, diarrhea, lethargy, itching, difficulty breathing, or reddened skin. No known drug or food interactions. Overdose/ Toxicity unlikely.