This Dogs Immune Boost extract made from the natural highest quality human-grade Dried Ashwaganda (Withania somnefera), Astragulus (Astragulus membronosis), Siberian Ginseng (Eleutherococcus senticosus), Schisandra (Schisandra chinensis), Nettle (Urtica diocea), Alfalfa (Medicago sativa), Liquorice (Glycyrrhiza glabra), and He Shou Wu (Poligonum multifolum). Other ingredients: vegetable palm glycerin, crystal clear water. Hawaii Pharm Dogs Immune Boost Supplement contains no GMO, gluten, heavy metals, artificial colors, preservatives or synthetic fertilizers! Super concentrated Dogs Immune Boost Veterinary Natural Alcohol-FREE extract: dried plant/ solvents ratio is 1:3! 1 ml of our glycerite is approximately equal to 300 mg of dried plant. Dogs Immune Boost 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: For dogs under 30 lbs, use 0.25-0.5 ml 3 x daily; for dogs 30-60 lbs, use 0.5-1.0 ml 3x daily; for dogs more than 60 lbs, use 1-2 ml 3x daily; For Cats, use 0.25-0.5 ml 1-2x daily.