Nature's Answer Black Walnut Complex Description: Promotes Gastrointestinal Health Herbal Blend Supplement Black Walnut Complex contains a balanced blend of key herbs well-known for promoting gastrointestinal health. This unique formula offers an ideal way to experience the benefits of each herb in one convenient formula. Free Of Synthetic ingredients. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.