Clinical Studies on Black Seed (Nigella Sativa)

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There are in excess of 800 research papers available on the use of back seed (Nigella Sativa) covering 185 diseases and conditions. 

Nigella sativa, commonly known as Black Cumin, Black Seed, or Black Cumin Seed is native to South Asia (S).

Black Cumin seed has been used in Middle Eastern folk medicine as a natural remedy for various diseases for over 2000 years (S).

Among Muslims, it is considered as one of the greatest forms of healing medicine available as it was narrated by the last Prophet of Islam ﷺ "There is healing in black cumin for all diseases except death." (S). It is also recommended for use on regular basis in Tibb-e-Nabwi (Prophetic Medicine) (S).

Raw seeds, seed oil, or seed extract have been used alone or in combination with other ingredients, as a traditional medicine in the treatment of various health conditions, such as eczema, cough, headache, diabetes, asthma, infection, and hypertension (S).

Due to its miraculous power of healing, Black Cumin has got the place among the top-ranked evidence-based herbal medicines (S).

Most of the therapeutic properties of Black Cumin seed are due to the presence of Thymoquinone which is a major bioactive component of the essential oil (S)

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More than 20 documented medical benefits of the black seed (Nigella Sativa) published in leading peer reviewed medical journals.

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1) Black Cumin Oil is an Anti-Oxidant

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Black Cumin oil appears to have antioxidant properties (S) and inhibits Reactive Oxygen Species  (S). 

Black Cumin oil decreased the PTZ (Pentylenetetrazol) induced oxidative injury in the mouse brain tissue (S). 

Black Cumin seeds restored the activity of red cell antioxidant enzymes in infected mice (with malarial parasite Plasmodium yoelli) (S).

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2) Black Seed is an Anti-Inflammatory

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Black Cumin seed (Thymoquinone) has anti-inflammatory properties and is good for both Th1 and Th2 dominance. 

In mouse microglial cells, Thymoquinone significantly inhibited pro-inflammatory cytokines including IL-6, IL-1β, IL-12 (Th1 cytokine), Growth Colony Stimulating Factor (G-CSF), and pro-inflammatory chemokine’s such as MCP-5, IP-10, and MCP-1 (S). 

It suppresses the production of Nitric oxide by macrophages (S) and inhibits NF-κB (NF-kappa B) (S).

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3) Black Cumin Oil is Anti-Anxiety and Anti-Depressant

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Black Cumin seeds have shown to stabilize mood, decrease anxiety and improve cognition in adolescent human males (S). 

Black Cumin oil (Thymoquinone) exerts anti-anxiety properties in mice (S) and may be a useful choice for the treatment of anxiety (S). 

It may also have an anti-depressant and anti-fatigue effect in mice models (S). 

Black Cumin seed decreases the activity of the nervous system (S)

Anti-anxiety properties of Black cumin oil appear to be due to increasing GABA (S).

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4) Black Seed Extract Enhances Memory

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Black Cumin seed enhances memory, attention and cognition (S). 

Black Cumin seed extract (500 mg) twice daily over the course of nine weeks in otherwise healthy elderly persons improved memory (S). 

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5) Black Seed Helps Digestion

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Roasted Black seeds are given internally to stop vomiting (S). 

A tincture prepared from the seeds is useful for indigestion, loss of appetite, diarrhea, dropsy, amenorrhoea and dysmenorrhoea (S).

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6) Black Cumin Seed Causes Weight Loss

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Black Cumin seed is traditionally recommended as an anti-obesity agent (S). 

Significant weight loss was seen in men with obesity.  They also experienced a reduction in appetite (S).

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7) Black Seed Protects the Gut

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Black Cumin seed appears to have anti-ulcer properties against Heliobacter pylori (S). 

Black Cumin seed and Thymoquinone could partly protect stomach mucosa in rats (from acute alcohol induced mucosal injury) (S). 

Black Cumin oil has significantly reduced the severity of intestinal damage in rats (with necrotizing colitis) (S).

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8) Black Cumin Oil Potently Fights Infections

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Antibacterial activity

Black Cumin seed extract inhibited the growth of Staphylococcus aureus (S). 

Black Cumin seed was effective against clinical isolates of MRSA (methicillin resistant Staphylococcus aureus) (S). 

Black Cumin seeds possess anti H. pylori activity W. 
Gram negative isolates were more affected than the Gram positive ones (S). 

Black Cumin oil (Thymoquinone) prevented the formation of “Biofilm” (S).

 Anti-fungal activity

Black Cumin seed (Thymohydroquinone and Thymoquinone) possessed significant anti-fungal activity (S). 

Methanolic extracts of Black Cumin seed have the strongest anti-fungal effect against Candida albicans (S). 

Water extracts showed no anti-fungal activity (S). 

The defensins (Ns-D1 and Ns-D2) displayed strong anti-fungal activity towards a number of phytopathogenic fungi (S). 

Black Cumin oil is effective in protection against mold (aflatoxicosis) in rats (S).  This may help people with Chronic Inflammatory Response Syndrome.

 Antiviral

Black Cumin seed was able to reduce viral load in persons with Hepatitis C (S). 

Black Cumin seed has shown antiviral properties against infectious laryngotracheitis virus (S). 

It’s effective against cytomegalovirus virus (CMV) in mice (S).

 Antiparasitic

Black Cumin seeds may be a good therapeutic agent against Plasmodiuminfection in malaria (S). 


Black Cumin oil may play a role against the alterations caused by S. mansoniinfection in mice (S). 


Black Cumin seeds are effective against Schistosoma mansonimiracidiacercariae, and adult worms (S).

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9) Black Seed Oil Fights Histamine Intolerance and CIRS

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Black Cumin oil (Nigellone) has effective anti-histamine activity (S).

Black Cumin seed (Thymoquinone) appears to inhibit the release of histamine from Mast cells (S). 

Black Cumin oil is also effective in protection against mold (aflatoxicosis) in rats (S).  This may help people with Chronic Inflammatory Response Syndrome.

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10) Black Seed Boosts the Immune System

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Oral ingestion of Black Cumin seeds improves the ability of macrophages to destroy invaders (S). 

Black Seed extract increased Natural Killer cell cytotoxicity to tumor cells (S). 

Black Cumin seed was able to increase secretion of IL-3 from lymphocytes (S). 

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11) Anticancer Effects of Black Cumin Oil

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Black Cumin oil exerts potent inhibitory effects on rat tumor development and cell proliferation (S). 

Black Cumin seed and its constituents show a vital role in the control of cancer via inactivation and activation of phase I and II detox genes (S). 

Liver Cancer 

Black Cumin seed (Thymoquinone) was effective in treating liver cancer in rats (S). 

Black Cumin oil (Thymoquinone) may be a useful in treating cancer caused by chemicals and toxicity in liver cancer (S). 

Bladder cancer 

Black Cumin oil (Thymoquinone) has anti-tumor effects on bladder cancer (S). 

Cervical cancer 

Black Cumin seed (Thymoquinone) appears to be toxic towards cervical squamous carcinoma cells (SiHA) (S). 

Bone cancer 

Black Cumin seed (Thymoquinone) shows effective anti tumor and anti-angiogenic activity in osteosarcoma (S). 

Breast cancer 

Black Cumin seed (Thymoquinone) may have potential implication in breast cancer prevention and treatment (S). 

Black Cumin oil showed a protective role in mammary carcinoma (S). 

Stomach cancer 

Black Cumin seed (Thymoquinone) induces killing of stomach cancer cells (S).

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12) Black Seed Can Protect Against Heart Disease

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Black Cumin seed given to rats was able to improve the recovery of heart tissue following injury (ischemia/reperfusion) (S). 

The seeds may be beneficial in the treatment of high cholesterol (S). 

Seed powder administered to people with high cholesterol was found to reduce the total cholesterol and triglycerides (S). 

Daily use of seed extract for 2 months may lower blood pressure in patients with mild Hypertension (HT) (S). 

Black Cumin seed (Thymoquinone) reduced hardening of the arteries from high cholesterol (S).

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13) Black Cumin Seed Increases Testosterone 

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Black Cumin seed extract has been noted to increase testosterone concentrations following oral ingestion (S). 

Rats given seed oil failed to significantly increase testosterone (S).

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14) Black Cumin Helps Asthma, Rhinitis and Breathing

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Boiled extract of the seeds was able to significantly improve all asthmatic symptoms (S). 

Asthmatic symptoms have been improved in persons who suffer from allergic asthma (S). 

Components of Black Cumin oil appear to have lung enhancing (bronchodilatory) properties (S). 

Boiled extract of seeds was able to significantly improve respiratory function in chemical war victims with impaired respiratory function (S). 

Black Cumin oil reduced symptoms of rhinitis (itching, running nose, sneezing and congestion) (S).

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15) Black Seed is Anti-Diabetic

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Black Cumin seed is highly recommended among practitioners of traditional medicine for treating diabetes. 

The seed extract was able to increase insulin release in diabetic rodents (S). 

Black Cumin oil has a significant activity in diabetic and high cholesterol patients (S). 

Most of the anti-diabetic properties are due to the activation of AMPK (S). 

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16) Black Cumin Seed is Neuroprotective

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Thymoquinone and other components of Black cumin seed may be neuroprotective (S). 


An extract of Black Cumin seed displayed neuroprotective effects by decreasing the activity of the nervous system (S).

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17) Black Cumin Seed is a Natural Pain Killer

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Black Cumin seeds appear to have analgesic properties in mice (S).

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18) Thymoquinone Helps Osteoporosis and Arthritis

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Black Cumin oil (Thymoquinone) has shown potential anti-osteoporotic effects (S). 

Black Cumin seed (Thymoquinone) has been effective in rheumatoid arthritis(S). 

Significant reductions in joint pain and swelling as well as morning stiffness in affected joints were noted (S).

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 19) Black Seed is Helpful For Eczema and Skin Conditions

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Black Cumin oil  is effective in the treatment of worms and skin eruptions (S). 

Black Cumin oil has been used to treat skin conditions such as eczema and boils (S).

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 20) Black Seed Protects the Kidneys and Prevents Kidney Stones

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Black Cumin seeds have been traditionally used for the treatment and prevention of kidney stones (S). 

Evidence in rats suggest quite potent anti-kidney stone properties (S). 

Black Cumin oil was effective against gentamycin kidney toxicity (S). 

Seed extract had protective action against kidney injury (ischemia) (S).

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21) Black Cumin Oil is an Antiseptic

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Externally the Black cumin oil can prevent the spread of infections on the skin and also relieve pain (S).

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22) Black Cumin Oil For Male Fertility

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Black Cumin oil increased sperm motility, morphology and sperm concentration in mice (S). 

Daily intake of 5 ml (1 tsp) of oil for two months improves abnormal semen quality in infertile men without any adverse effects (S).

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 23) Black Cumin Oil is Anti-Epileptic

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Black Cumin oil (Thymoquinone) may have anti convulsant action in pediatric epilepsy (S). 

Black Cumin oil (Thymoquinone) has anti-epileptic effects in children following oral ingestion (S). 

The anti-epileptic properties of Black cumin seeds appear to be due to increasing GABA (S). 

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24) Black Cumin Oil is Radio-Protective

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Black Cumin oil is radio protective against immunosuppressive and oxidative effects of ionizing radiation (S).

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25) Black Seed is Effective in the Treatment of Opioid Dependence

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Black Seed is effective in long term treatment of opioid dependence (S). 

It not merely cures the Opioid dependence, but also helps with the infections and weaknesses from which majority of addicts suffer (S).

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26) Black Cumin Helps Women Produce More Milk

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Traditionally, it was used to help increase milk production during breastfeeding in nursing mothers (S).

It is scientifically proven that Black Cumin seeds stimulate milk production in rats (S).

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27) Black Seed Suppresses Muscle Spasms

Black Seed has an antispasmodic effect (possibly due to calcium antagonistic activity) (S).

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Black Cumin Oil Synergies

Black Cumin seed (Thymoquinone) in combination with radiation was found to exert a synergistic cytotoxic effect against breast cancer cells (S).

Black Cumin seed (Thymoquinone) combined with gemcitabine reduced tumor weight to 85% (S).

Black Cumin seed extract (Thymoquinone) is known to reduce blood glucosewhen paired with Aloe vera (S).

Garlic Extract and Black cumin oil may be promising agents to complement schistosomiasis specific treatment (S).

Consumption of garlic extract and crude Black seeds may have a beneficial Antioxidant effect in healthy post menopausal women (S).

Black Cumin and Garlic together were effective in correction of high cholesterol (S).

The combination of Black Cumin oil and PYR (Pyrimethamine) had synergistic effect in treatment of toxoplasmosis (S).

2 gm/day of Black Cumin seed may be beneficial along with hypoglycemic agents in type 2 diabetic patients (S).

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Black seed oil double strength

A highly potent oil with many benefits for a variety of conditions. Provided great relief for my muscular-skeletal pain, including fibromyalgia. My husband added it to his remedies for prostatitis with almost immediate effect. I’m a biomedical scientist and choose complementary therapy extremely carefully. I highly recommend this particular product to anyone looking for the superior quality black seed oil.

The good oil

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Happy Customer

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Strong as

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I'm a repeat customer
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Highly recommended.

It's great to hear that our Double Strength Black Seed Oil is making a difference, Robert. Your loyalty is much appreciated! Please reach out anytime. Best wishes, Michael