What are the Health Benefits of Nigella Seeds You Should Know?

7 Reasons to Add Nigella Seeds to Your Daily Routine

Nigella seeds are small black seeds derived from a flowering plant belonging to the buttercup family. They are also referred to as black cumin or kalonji and are a household spice used in food from India and the Middle East. Due to their strong odour and bitter taste, they are a good choice to serve in different dishes.

Early studies suggest that nigella seeds may offer several potential health benefits, including improved blood glucose control, reduced cholesterol levels, and anti-inflammatory effects.

Continue reading to learn more about the major health benefits of nigella seeds!

Nutritional Value of Kalonji Seeds (Nigella Seed)

Although small in size, kalonji seeds are highly nutritious. They are rich in essential fatty acids, amino acids, antioxidants, and plant-derived elements that support overall well-being.

Below is a table detailing the nutritional value per 100 g of kalonji seeds:

7 Health Benefits of Kalonji Seeds

Kalonji seeds have a multitude of benefits across the different systems of the body. From boosting the immune system to helping maintain cardiovascular health and even stabilising blood sugar levels, these incredible seeds play a significant role in your overall health.

Let us see the health benefits of kalonji seeds in detail:

1.  May Help Decrease Inflammation

Kalonji seeds contain anti-inflammatory substances that may assist in calming down the body's response to disease or injury. While it is a natural part of the body's response, once it persists, it can lead to diseases like arthritis and asthma.

Research has indicated that the intake of nigella seeds decreases inflammation, swelling and pain. As a food ingredient or as a supplement, these seeds naturally manage inflammatory symptoms.

2.  Can Stimulate the Immune System

Kalonji seeds have potassium, iron, zinc, magnesium, and calcium, all of which are immune-stimulating in nature. The seeds also possess antioxidants that defend cells against oxidative stress and inflammation.

Daily intake of kalonji seeds is reported to enhance the body's natural immune mechanisms, keeping you safe from infections and diseases.

3.  May Increase Good Cholesterol Levels

While cholesterol is needed by the body for specific purposes, high LDL (bad) cholesterol levels may result in increased heart disease risk. Kalonji seeds are believed to lower LDL cholesterol while raising HDL (good) cholesterol levels, according to studies.

Their antioxidant activity also helps to protect cardiovascular health by lessening oxidative stress and inflammation, two of the key initiators of heart disease. Sprinkle the seeds over foods or take them in supplement form to enhance your cholesterol profile.

4.  May Contain Cancer-Fighting Properties

Laboratory and animal studies have shown that thymoquinone, an antioxidant in nigella seeds, can cause cancer cell death in a petri dish. However, this effect has not been proven in humans. Nigella seeds are not a treatment or proven prevention for any type of cancer. You should never use them to replace or delay conventional cancer care prescribed by a doctor.

Some of the cancers being studied include:

• Breast
• Lung
• Colon
• Liver
• Pancreatic
• Skin
• Prostate
• Cervical
• Renal
• Ovarian

While these findings are encouraging, further human studies are needed to confirm kalonji’s effectiveness in cancer prevention and treatment.

5.  May Aid in Blood Sugar Control

High blood sugar may lead to weakness, excessive thirst, and confusion. Over time, untreated blood sugar may lead to nerve damage, eye disease, or slow healing of cuts and wounds.

A 2025 meta-analysis of individuals with type 2 diabetes showed that kalonji supplementation decreased by a notable margin:

• Fasting blood glucose
• HbA1c (glycated haemoglobin)
• LDL cholesterol
• Total cholesterol

These results suggest that kalonji seeds may be a helpful supplement for managing diabetes and maintaining better metabolic health.

6.  Might Help Reduce Hypertension

Some studies suggest that nigella seeds can aid in lowering blood pressure levels. Additionally, some researchers found that nigella seeds can also have a diuretic effect, allowing the body to flush out excess water and moderately decrease blood volume, thus lowering blood pressure. Further research is required to establish this advantage better.

7.  Simple to Add to Your Diet

There are many simple and tasty ways to add kalonji seeds to your daily meals. With a slightly bitter and pungent taste, claimed to be similar to oregano and onion, kalonji is often used in South Asian and Middle Eastern cooking.

These seeds are usually lightly toasted and ground or used whole to add flavour to breads, curries, and spice mixtures. Others consume the seeds raw or blended with honey or water as part of traditional wellness practices. Also, they can be added to oatmeal, yoghurt, or smoothies for an extra nutritional kick.

Furthermore, for the sake of convenience, kalonji supplements come in capsule or softgel form with a high concentration of their active ingredients.

Kalonji seeds have a list of possible health advantages ranging from boosting immunity to maintaining blood sugar levels. While further studies are required, incorporating them into your diet or supplementing them can be a boost for overall health.