Holistq is a US-based natural health supplement brand specialising in premium, science-backed black seed (Nigella sativa) nutrition. We produce TQ-standardized, cold-pressed black seed products formulated to deliver clinically meaningful potency — something the majority of generic black seed supplements on the market fail to provide. Our range supports immunity, inflammation, hair health, joint comfort, and everyday vitality.
Holistq is a US-based brand serving customers across the United States. Our customer support team is available Monday to Friday, 9am–5pm PST. You can reach us by phone at +1 818-698-2896 or by email at support@holistq.com.
Most black seed oil products on the market don’t disclose or independently test their thymoquinone (TQ) levels. TQ is the primary bioactive compound responsible for black seed’s health benefits — and without knowing the concentration, you have no way of assessing potency. Every Holistq product is standardized to a verified TQ level (3% or 5%), cold-pressed for maximum bioavailability, and third-party tested for purity. We combine the wisdom of a plant used for millennia with modern quality assurance.
Yes. Holistq uses organically sourced Nigella sativa seeds in all of its products. Our formulations are free from synthetic pesticides, artificial additives, and unnecessary fillers. We are committed to clean, natural products that respect both your body and the environment.
Yes. Every batch is independently tested to verify TQ concentration, purity, and safety before bottling and sale. We do not rely on supplier certificates alone — independent testing is a non-negotiable part of our standard quality assurance process.
Absolutely. Black seed (Nigella sativa) is one of the most studied botanicals in the world, with over 1,000 peer-reviewed publications examining its health properties. Holistq’s formulations are guided by this research, and our decision to standardize TQ concentrations at 3% and 5% is grounded in the dosages studied in clinical literature. Visit our Black Seed Nutrition page at holistq.com for a detailed breakdown of the science.
Black seed oil is a natural oil extracted from the seeds of Nigella sativa, a flowering plant native to Southwest Asia and the Mediterranean. It has been used in traditional medicine for thousands of years and is one of the most extensively researched botanical supplements available today. Its primary bioactive compound, thymoquinone (TQ), is responsible for most of its documented health benefits.
Yes. Black seed oil, black cumin seed oil, nigella sativa oil, and kalonji oil are all names for the same product — oil extracted from the seeds of the Nigella sativa plant. You may see all of these terms used interchangeably on product labels and in research literature.
Research into black seed oil and thymoquinone (TQ) has documented a broad range of potential health benefits, including: antioxidant protection against oxidative stress, reduction of chronic inflammation, immune system support and modulation, respiratory health and bronchodilation, healthy blood sugar and cholesterol level support, hair follicle nourishment and reduced thinning, skin barrier function and hydration, joint and musculoskeletal comfort, and antimicrobial activity. These benefits are attributed primarily to TQ and the oil’s rich fatty acid and antioxidant profile.
Cold pressing extracts oil from seeds using mechanical pressure at low temperatures, with no heat or chemical solvents. This preserves heat-sensitive compounds — most critically thymoquinone (TQ) — as well as essential fatty acids, vitamins, and bioactive volatile compounds like thymol and carvacrol. Heat and solvent extraction methods, commonly used in mass-market production, degrade these compounds significantly, producing a cheaper but far less potent oil.
Cold-pressed Nigella sativa oil is rich in thymoquinone (TQ), omega-3 and omega-6 essential fatty acids (including linoleic acid), omega-9 oleic acid, vitamins A, B-complex, C, and E, minerals including calcium, iron, zinc, and magnesium, and bioactive volatile compounds including thymol and carvacrol. Cold pressing ensures these compounds are retained at full concentration.
Yes. Organic black seed oil is produced from seeds grown without synthetic pesticides, herbicides, or chemical fertilizers, resulting in a cleaner oil with fewer residual contaminants. Holistq uses organically sourced seeds as standard, ensuring purity from the very first step in our production process.
Black seed oil is generally well-tolerated alongside most supplements. However, if you are taking blood-thinning medications, diabetes treatments, or immunosuppressants, we recommend consulting your healthcare provider before adding black seed oil to your routine, as TQ may interact with these medications due to its natural anticoagulant and blood-sugar-lowering properties.
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