FAQ

Can black seed oil help with hair growth?

Black seed oil has been used for hair health for centuries. Read our full hair growth guide.

Is your black seed oil halal?

Yes. 100% halal — no additives, alcohol, or animal-derived ingredients.

Where does your black seed oil come from?

Single-origin Ethiopian Nigella sativa seeds, cold-pressed to preserve all natural compounds.

What is inside the bottle?

100% pure Ethiopian Nigella sativa (black seed) oil. Cold-pressed, free from heat, solvents, or additives.

What is thymoquinone (TQ)?

Thymoquinone (TQ) is the primary active compound in black seed oil responsible for its health benefits. Our Ethiopian black seed oil is independently verified at 2.67% TQ — among the highest available.

Do you give to charity?

Yes. 10% of all profits are pledged to charitable causes. Every bottle reserved helps someone else heal too.

Do you test your oil?

Yes. Every batch is third-party tested for purity and for Thymoquinone (TQ) content — the key compound that gives black seed oil its potency. Our oil is 2.67% TQ.

How should I take black seed oil?

A common daily amount is 1 teaspoon, taken directly or mixed with honey. You can also apply it topically to skin or hair.

Are there any precautions?

If you are pregnant, nursing, or on medication, please consult a healthcare professional before use.

How is the oil packaged?

In UV-resistant matte black glass bottles to preserve freshness and stability. Gift sets come in elegant, minimalist boxes.

How should I store it?

Keep your bottle in a cool, dry place away from direct sunlight. Reseal tightly after use.

When will my order ship?

Orders will be dispatched as soon as they are ready. You’ll receive an email notification with tracking once your package is on the way.

Do you offer international shipping?

Yes, we ship to most countries worldwide. International shipping rates and delivery times vary by destination.

How long does shipping take?

Shipping times vary depending on your location. You can find accurate details for your region in our shipping policy here: https://sidrstone.com/policies/shipping-policy

What if I need to contact you?

You can reach us anytime through our Contact Page or email: info@sidrstone.com

What is your return policy?

Our return policy depends on the country you’re ordering from. In most cases, you have 14 days to return items in their original condition. Please see our Return Policy for full details specific to your location.