Ofi 37 in 1 MultiVitamin and Herb Formula For Dogs. Allergies, Detox, Super Boost for the Immune System. This all inclusive proprietary formula eliminates the excessive cost for multiple bottles to treat specific areas. A list of ingredients and the research behind them are all detailed on our website at ofivet.com! We encourage customers to really look at and compare our formula to other limited ingredient options out there. Did you know that research suggests that food allergies most commonly occur in our pets due to a leaky gut and a bacterial imbalance? Probiotics are only the start of that healing process, did you know that there are herbs that coat and heal the guts membrane wall? Find out today just what a game changer Ofi can be for you!