Elderberries are well know remedy to support colds and flu, specifically upper respitory issues.  Elderberries has been know to help with clearing mucus, fighting infections and reducing inflammation in the body.  The herb can be taken regularly to strengthen immune system.
 
This product is not meant to diagnose, treat, cure, or prevent disease. I'm NOT a medical professional. We always advise you to consult with a medical professional with questions and concerns regarding the use of elderberry during pregnancy and breastfeeding. These statements have not been evaluated by the FDA and should not be taken as medical advice.