Hawthorn Extract Used in ResearchHeartCare contains the actual hawthorn extract used in research studies. It supports efficient heart muscle metabolism by helping improve its oxygen and energy utilization.*18.75% Oligomeric ProcyanidinsWhile many other hawthorn extracts contain vitexin from the plant's berries, HeartCare is standardized to oligomeric procyanidins extracted from the leaves and flowers for optimal effectiveness.*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.