Dietary Supplement. Black Seed With Garlic. Optimal Nutritional Support for Hypertension. Cardiovascular & Immune System Health. Gluten Free For Centuries Black Seed has been used by millions of people around the world to promote health and general well-being. Also known as "the Blessed Seed," it has been traditionally used for a variety of conditions and treatments related to respiratory health, stomach and intestinal health, kidney and liver support, circulatory and immune system support, and promote general health.