Black Seed (Siyah Daneh)
Nigella sativa
About Black Seed (Siyah Daneh)
Black Seed (Siyah Daneh) (Nigella sativa) is a herb used in the Persian Medicine tradition to help with Immune Support, Asthma, Allergies, and Diabetes, among 1 other condition it addresses. The seeds are the part traditionally used, used both internally and topically.
Botanical background
Nigella sativa (black-caraway, also known as black cumin, nigella and kalonji) is an annual flowering plant in the family Ranunculaceae, native to south and southwest Asia.
Source: Wikipedia, via iNaturalist
Parts used
Conditions addressed
Decoction
- Add 1–2 tsp of dried Black Seed (Siyah Daneh) to 2 cups of cold water.
- Bring to a boil, then simmer for 15–20 minutes.
- Strain and drink warm.
Tincture
- Pack dried Black Seed (Siyah Daneh) into a jar and cover with 40–60% alcohol.
- Seal and steep for 4–6 weeks, shaking daily.
- Strain and store in a dark dropper bottle.
Powder / Capsule
- Grind dried Black Seed (Siyah Daneh) into a fine powder.
- Fill size 00 capsules or stir into smoothies or honey.
Steam Inhalation
- Add 2–3 tbsp of Black Seed (Siyah Daneh) to a bowl of just-boiled water.
- Drape a towel over your head and inhale steam for 5–10 minutes.
Pregnancy, Breastfeeding & Children
No herb-specific pregnancy/child safety research is documented for Black Seed (Siyah Daneh) in our references — the guidance below is based on its general effect category, not research on Black Seed (Siyah Daneh) itself. Always confirm with a midwife, doctor, or pediatrician.
Pregnancy
Use CautionThis herb may affect blood pressure. Since blood pressure changes are a significant pregnancy risk factor (e.g. preeclampsia), herbs in this category are generally used only under medical supervision rather than self-directed — this is a general, mechanism-based caution, not herb-specific research.
Breastfeeding
Use CautionGenerally used cautiously during breastfeeding, particularly if the nursing parent is also on blood pressure medication.
Children
Use CautionBlood-pressure-active herbs are generally used cautiously in children and typically only under pediatric guidance.
Contraindications
- Autoimmune conditions (lupus, MS, RA) — may overstimulate immune response
- Pre-surgery — discontinue at least 2 weeks prior (potential antiplatelet effect)
- Diabetes medications — may enhance hypoglycaemic effect; monitor blood glucose closely
Warnings
⛔ Diabetes Medications
May enhance the blood sugar–lowering effect of insulin or oral diabetes medications. Monitor blood glucose closely.
⛔ Heart & Blood Pressure Medications
May interact with antihypertensive drugs, blood thinners, or cardiac medications. Do not combine without medical guidance.
⚠️ Allergic Reactions
Discontinue immediately if you experience rash, itching, swelling, or difficulty breathing.
⚠️ Not Medical Advice
This information is for educational purposes only. Always consult a qualified healthcare provider before using herbal remedies.
Drug & herb interactions
May affect immune activity
Watch for: Immunosuppressants (for transplant or autoimmune conditions)
Immune-stimulating herbs can work against immunosuppressive therapy.
May affect blood sugar
Watch for: Insulin and oral diabetes medications (metformin, sulfonylureas)
Additive blood-sugar-lowering effects can risk hypoglycemia — monitor glucose closely.
May affect blood pressure
Watch for: Antihypertensive medications (ACE inhibitors, beta-blockers, calcium channel blockers, diuretics)
Combined use can push blood pressure too high or too low — monitor readings if you take blood pressure medication.
Where to find in nature
Native region
Iran, Iraq, Central Asia, Afghanistan
Climate
Semi-arid to temperate
Habitat
Mountain foothills, river valleys, and cultivated gardens of the Persian and Central Asian plateau
🌿 To see Black Seed (Siyah Daneh) growing, visit botanical gardens, university plant collections, or specialist herb nurseries near you. If foraging in the wild, always work with an expert identifier — never consume a plant you are not 100% certain of.
Where to buy
In store
- Middle Eastern grocery stores and spice markets
- Iranian and Turkish food shops
- Health food stores (Whole Foods, Natural Grocers, Holland & Barrett, GNC)
- Naturopathic clinics and integrative medicine practices
- Specialist herbal apothecaries and herbalist practices
Online
iHerb
Wide selection of standardised extracts, capsules, and powders with lab testing
Mountain Rose Herbs
Premium bulk dried herbs — certified organic, ethically sourced
Starwest Botanicals
Large selection of certified organic bulk herbs and powders
Herb Pharm
High-quality liquid extracts and tinctures, rigorous quality standards
Amazon
Convenient — verify brand certifications and check third-party testing
Etsy
Small-batch artisan herbalists, hand-harvested and wildcrafted herbs
Quality tips
When buying Black Seed (Siyah Daneh), look for: certified organic labelling, clearly stated country of origin, third-party lab testing for heavy metals and pesticides, and a batch expiry date. Standardised extracts offer consistent dosing; bulk dried herbs are more economical for regular use. Avoid very cheap, unlabelled products — quality varies enormously.