Nature’s Way Grapefruit Seed Standardized Description: Grapefruit Seed is standardized to a 12:1 concentrate. Grapefruit Seed contains compounds that provide broad-spectrum intestinal health benefits. Grapefruit juice typically excludes the all-important health benefits provided by the seed. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.