Nature's Way Sambucol Immune System Syrup -- 7.8 fl oz

With Echinacea, Propolis, Zinc & Vitamin C. Developed by world renowned virologist Dr. Madeleine Mumcuoglu, SambucolÎ is the unique black elderberry (Sambucus Nigra L.) extract actually used in published clinical studies. No other elderberry product can make the same claim. While working on her doctoral thesis, Dr. Mumcuoglu developed a proprietary method for black elderberry extraction. KOSHER: Under supervision of the Chief Rabbinate of Jerusalem. Sambucol is a natural, upper respiratory health product trusted by millions of people with positive results being reported worldwide.