Black seed, or Nigella sativa, has been thought to offer a wide array of health benefits, including healthy circulation support, support for healthy digestion and healthy immune function support. Many of black seed's purported health benefits are due to it being richly dense with nutrients such as the phytochemical compound thymoquinone. These powerful nutrients may also support joint comfort, respiratory health and vitality. Solaray Cold Pressed Black Seed yields a phyto-active potency of 7% thymoquinone or 64 mg per serving.