Source Naturals Benefits. Our Wellness Oil Of Oregano Is From Wild Crafted True Oregano (Origanum Vulgare), A Plant Native To The Mediterranean Region And One Of The Most Active Oregano Species. | Suggested Use. 1 To 4 Drops In Water, Juice Or Milk Once Or Twice Daily. May Also Be Used Topically. | Well Made Supplement. Contains Extra Virgin Olive Oil And Wildcrafted Oregano Leaf Oil. | Trusted For Over 35 Years. Source Naturals Was Created In 1982 By Ceo Ira Goldberg To Support Each Individual'S Potential To Enjoy Optimal Health. | Manufactured In The Usa. Our Facility Is Located In Scotts Valley California.