Sambucol, the original Black Elderberry extract, provides strong immune system support to help you and your family stay healthy throughout the year. Sambucol® Black Elderberry extract conveniently arms you with some of the best protection nature has to offer. Developed by a world renowned virologist, Dr. Madeleine Mumcuoglu, Sambucol® is the unique black elderberry extract that has been used in scientific studies. By using a proprietary method of extraction, only Sambucol® can guarantee consistent, immune supporting properties in every serving. Trusted by millions worldwide, Sambucol® can be taken every day for continuous immune system support. The formula is free from gluten, dairy, soy, wheat, nuts, artificial color and flavors.