This Catnip extract made from the Certified Organic Catnip. Origin of plant material: USA. Other ingredients: vegetable palm glycerin, crystal clear water. Hawaii Pharm Catnip Pet Supplement contains NO Alcohol, GMO, gluten, heavy metals, artificial colors, preservatives or synthetic fertilizers! Super concentrated Catnip Veterinary Natural Alcohol-FREE extract: dry plant material / solvents ratio is 1:3! 1 ml of our glycerite is approximately equal to 300 mg of dried plant. Catnip Pet Herbal Supplement is 100% drug-free and non-addictive natural Glycerin based liquid formula proudly manufactured in the USA, Hawaii to ensure highest quality of the product! Suggested use: give 1 drop for every 2 pounds of body weight up to 4 times per day.