Viridian Organic High Potency Black Seed OilOrganic High Potency Black Seed Oil is made from pure, cold pressed Nigella sativa seed and is rich in active compounds. Standardised to 3% thymoquinone (TQ), the active molecule which provides beneficial properties, this is our most potent black seed oil. For more than 3,000 years, black seed has featured in the health and beauty regimes of traditional cultures including the ancient Egyptians. Tutankhamun is even believed to have had a bottle of