Is your echinacea really echinacea? Adulteration of Your Herbal Supplements
A November 2013 journal article in BioMedCentral Medicine and highlighted in the New York Times throws doubt on the quality of your herbal supplements. This is of special concern to Dr. Eva Berkes as an allergist, since there are many fillers which were included in these supplements which were unidentified allergens, including wheat, soy and nut. Look for these on supplement labels.
Note: If you have food allergy concerns, look also for the federally required statement regarding the allergens the supplement may or may not contain.