Natrol Elderberry Gummies are a tasty way to take good care of yourself. They contain vitamin C, zinc and 100 mg of elderberry extract in each serving. Taking good care of yourself has never been easier. Our Natrol facilities have been successfully verified NSF International GMP Certified NSF/ANSI 455-2 Good Manufacturing Practice (GMP) for dietary supplements, one of the highest quality standards in the U.S. for dietary supplement manufacturing. Natrol is committed to creating innovative, quality products that fit your busy, modern lifestyle.