With black seed making its emergence in the West, there have been over hundreds of comprehensive research studies done in order to understand the powerful healing properties of this amazing seed. The Nature’s Blends black seed line is sourced from the fertile warm lands of Ethiopia. We also cold press our seeds within the first 24 hours only once without any added heat, additives, or preservatives. We preserve the purest form of the oil to reach the highest level of volatility at 3.9%. Our black seed has also been lab tested for its Thymoquinone level and was given a 2.5% TQ percentage. We stand by the quality of our oil and are proud to offer the highest purity standard of black seed oil on the market. Our Black Seed has also been lab tested for its Thymoquinone (TQ) level - the ingredient responsible for the healing effects - our oil was given a 2.5% TQ percentage. Typically Black Seed oil found on the market has a TQ level of less than 0.5%.