Most supplements work at the surface. Dellawell works at the source. 1000mg of Ethiopian cold-pressed black seed oil at 5% thymoquinone, the most clinically studied natural compound for blood pressure and blood sugar. 80+ published trials. One capsule, twice a day.
Third-Party Tested
GMP Certified
Clinically Studied
Ethiopian Black Seed Oil Capsules — The #1 Natural Way To Reduce Blood Pressure & Blood Sugar
- Clinically shown to reduce blood pressure by 10+ points
- Reduces HbA1c by up to 1.5 points
- Improves Circulation & Blood Flow
- Helps Avoid Medication Side Effects
86%
To see results we recommend use for 60 days*
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60-Day Money Back Guarantee
We're so confident, we give you 60 days to decide. Less than 1% of customers ever ask for their money back.
Loved By Thousands
❦
Backed By Science, Trusted For Centuries
❦80+clinical trials
3,500+study participants
2000+years of traditional use
From ancient remedy to modern research subject — black seed oil is one of the most studied natural compounds in the world, with peer-reviewed trials published across PubMed, MDPI, and ScienceDirect.
Benefits of Black Seed Oil have been featured by:
THE ROOT CAUSE
Your numbers keep climbing no matter what you do. Here's the real reason nobody explains
You're not imagining it. The numbers keep creeping up despite cutting salt, eating clean, walking daily — and the fatigue that sleep doesn't fix.
The real culprit: decades of oxidative stress quietly damaging your body. It stiffens your arteries, so pressure climbs. It wears down the cells that regulate blood sugar, so numbers rise even when you do everything right. That's the line going down.
Diets manage the input. Beetroot fades by dinner. Medications force the number down while the damage keeps progressing. That's the line going up.
Dellawell targets the damage itself with thymoquinone — studied across 82 clinical trials for both blood pressure and blood sugar.
The Ancient Seed Backed by 82 Clinical Trials and 2,000 Years of Traditional Use
Black seed oil is clinically researched. 82 randomized controlled trials with over 5,000 participants confirm its effects on blood pressure, blood sugar, cholesterol, and inflammation. This isn't marketing hype. It's one of the most studied natural compounds in the world.
- Just 2 softgels each day help to:
-
Reduce blood pressure — studies show 8-12 point average drops
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Lower blood sugar and improve HbA1c by up to 1.5 points
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Reduce LDL cholesterol and support healthy circulation
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Calm the chronic inflammation driving both conditions
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Restore steady, all-day energy without the afternoon crash
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Support results that hold — sustained across 12-month studies
Not All Black Seed Oil Is Created Equal
Here's what most brands won't tell you:
Black seed oil's effectiveness depends entirely on its thymoquinone concentration — the bioactive compound clinically studied for its effects on blood pressure, blood sugar, and inflammation at the cellular level. Without enough TQ, you're swallowing oil with no engine.
The problem? Most black seed oil contains too little thymoquinone to move your numbers at all.
Egyptian black seed oil (most brands):
0.7% thymoquinone
Indian black seed oil:
1% thymoquinone
Turkish black seed oil:
1.2% thymoquinone
Dellawell Ethiopian black seed oil
5% thymoquinone
That's up to 7X MORE POTENT than regular black seed oil.
And because thymoquinone is destroyed by heat, we cold-press every batch — then lab-verify the 5% before it ever reaches a softgel.
Customer Reviews
Denise W.,
54
Verified Buyer
Been on blood pressure meds 6 years. That dry cough drove everyone around me crazy. Started Dellawell in March, didn't expect much honestly. 8 weeks later I'm at 126/79. My doctor looked at three visits in a row and reduced my dose. The cough is almost gone. I take two with my coffee. That's it.
Dellawell black seed oil capsules
79.98 USD
Purchased on March 14th, 2026
Gary R.,
63
Verified Buyer
Tried cinnamon. Tried berberine. Nothing moved my number in two years. Doctor was pushing a second med. Started this, changed nothing else. 12 weeks later, 6.1. I sat in my truck staring at the app. Doctor said keep doing whatever you're doing. First time I left that office without dreading the next visit.
Dellawell black seed oil capsules
69.99 USD
Purchased on May 21st, 2026
Maria L.,
50
Verified Buyer
I used to Google every meal before eating it. Three years of that. My sister put me on Dellawell. 6 weeks in my numbers stopped spiking after meals. Last month I had birthday cake without checking my app. Didn't even realize until I was driving home. I cried in the car. First normal meal in three years.
Dellawell black seed oil capsules
159.96 USD
Purchased on June 20th, 2026
James T.,
61
Verified Buyer
When I hit 148/96 last year I couldn't sleep. Same numbers my father had before his stroke. Found the research on thymoquinone, started Dellawell. 6 months in, 122/78 consistently. I don't check the monitor three times a day anymore. I'm not scared of every headache. Wish my dad had this.
Dellawell black seed oil capsules
59.98 USD
Purchased on January 13th, 2026
Jessica,
65
Verified Buyer
Both blood pressure and blood sugar creeping. Exhausted by 2pm every day. Ankles swollen every night. Started Dellawell because it was the only thing I found for both. By week 4 the afternoon crash just stopped. By week 8 my ankles looked normal. My husband noticed before my doctor did. He said "you're standing at the counter again." I hadn't even realized I'd stopped.
Dellawell black seed oil capsules
119.97 USD
Purchased on April 19th, 2026
Results Build With Consistency
Real results build over weeks, not overnight. Here's what to expect.
Week 1-2
The foundation
Thymoquinone enters your bloodstream and begins accumulating. Sleep deepens. Energy feels slightly steadier. Your body is adjusting — nothing dramatic yet. That's normal. The compound works by building up, not by forcing a reaction.
Week 2-3
The first shift
Your daily numbers begin trending in the right direction. The afternoon crash starts fading. Most people say this is when they first think — something is different. The thymoquinone has reached working levels.
Week 5-8
The clinical window
This is the window where 82 clinical trials measured significant changes. Blood pressure studies showed 8-12 point average reductions. Blood sugar studies showed fasting glucose dropping and insulin resistance improving. Your next checkup may tell the story.
Week 8-12
Bloodwork responds
Long-term markers move. HbA1c responds — studies showed drops up to 1.5 points. Cholesterol and lipid markers begin improving. Most users say this is when their doctor notices.
Month 3+
Compounding results
Benefits don't fade — they build. A 12-month clinical trial showed sustained improvement at 3, 6, 9, and 12 months. The longer you take it, the more your body responds. This is where consistency pays off.
Proven Benefits. Backed By Result
From 25,000+ Customers Who Decided Enough Was Enough
Proven Benefits. Backed By Result
From 25,000+ Customers Who Decided Enough Was Enough
91%
Reported lower blood pressure readings within 8 weeks of daily use
87%
Said their energy and afternoon crashes improved within 3 weeks
90%
Saw meaningful improvement in blood sugar markers by week 8
95%
Would recommend Dellawell to a friend or family member
* Based on internal studies and customer feedback surveys.
5 Reasons Why
Dellawell Is Different From Everything You've Tried
Reason 1
Works On The Cause, Not The Symptom
Most supplements nudge your numbers from the outside. Dellawell targets the chronic oxidative damage underneath — the inflammation stiffening your arteries and wearing down the cells that regulate blood sugar.
Reason 2
Single Origin, Not Diluted
No blends. No fillers. Just 1000mg of pure Ethiopian cold-pressed black seed oil from highland farms with one of the highest naturally occurring thymoquinone levels in the world.
Reason 3
5% Thymoquinone, Verified Every Batch
Most black seed oil supplements don't standardize for TQ at all. Dellawell is standardized to 5% and every batch is third-party lab verified. What the label says is what's inside.
Reason 4
Backed By 82 Clinical Trials
Not a trending ingredient with one study. 82 randomized controlled trials with over 5,000 participants across blood pressure, blood sugar, cholesterol, and inflammation. Real science in real journals.
Reason 5
Built For Daily Use, Not Quick Fixes
Not a cleanse or a reset. Clinical studies showed sustained results at 3, 6, 9, and 12 months. Two softgels with your morning coffee. The longer you take it, the more your body responds.
Try Risk-Free Today
🛡️ 60-day money-back guarantee
How Dellawell Compares to What You've Probably Already Tried
Most blood pressure and blood sugar supplements fall into one of four categories. Here's how they actually stack up — and where each one falls short.
 Dellawell
|  Cinnamon Supp
|  Beetroot Supp
|  Berberine
|  Generic Black Seed Oil
| |
|---|---|---|---|---|---|
| Clinically studied for blood pressure | ✓ | ✕ | ○ | ✕ | ✕ |
| Clinically studied for blood sugar | ✓ | ○ | ✕ | ○ | ✕ |
| Addresses oxidative root cause | ✓ | ✕ | ✕ | ✕ | ✕ |
| Oil form (4-5x better absorption than powder) | ✓ | ✕ | ✕ | ✕ | ○ |
| Active compound standardized and verified | ✓ | ✕ | ✕ | ✕ | ✕ |
| Results build over 12 months | ✓ | ✕ | ✕ | ✕ | ✕ |
| Third-party lab tested every batch | ✓ | ✕ | ✕ | ✕ | ✕ |
| Best For | People who want to reduce blood pressure and blood sugar at the source — not just manage the number. | Mild insulin nudge. Won't move BP. Most is Cassia, not Ceylon. | Temporary nitric oxide boost. Wears off by dinner. Zero blood sugar evidence. | Modest blood sugar effect. No BP evidence. GI side effects common. | Unknown TQ content. No standardization. You don't know what you're getting. |
What Cardiovascular Specialists Are Saying
Chronic oxidative stress is one of the most overlooked drivers of the blood pressure and blood sugar issues I see in clinical practice, particularly in adults over 45. I recommend addressing inflammation at the vascular and cellular level, and the formulation in Dellawell reflects exactly the protocol I look for. The 5% thymoquinone standardization is what separates it from everything else on the shelf. The right compound, at the right dose, in an oil form the body can actually absorb.
Dr. Elena Vasquez — Cardiovascular Health and Metabolic Medicine
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We're so confident in the quality of our product that we offer a satisfaction guarantee. If you're not completely satisfied with your purchase, simply return the item within 60 days for a full refund.
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We're so confident in the quality of our product that we offer a satisfaction guarantee. If you're not completely satisfied with your purchase, simply return the item within 60 days for a full refund.
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Hear From Customers Who Trust Dellawell
★★★★★ Rated 4.9/5 | 25,400+ reviews
R
Robert M.
- My blood pressure hasn't been this low in six years
Reviewed
in the
United States
on
October 15, 2026
I was at 144/92 on Lisinopril for three years. Nothing moved. Started Dellawell in February, changed nothing else. Eight weeks later: 126/78. My doctor pulled up my last five readings and asked what happened. I showed her the pouch. She said keep going.
42
people found this helpful
|
C
Carol H.
- A1C dropped a full point
Reviewed
in the
United States
on
November 2, 2026
6.9 for 2 years straight. Tried cinnamon, berberine, the whole CVS aisle. Nothing touched it. 12 weeks on Dellawell, 5.9. My doctor pushed back the Metformin conversation. Best shape I've been in since my 40s.
28
people found this helpful
|
J
James P.
- The afternoon crash is gone
Reviewed
in the
Canada
on
April 10, 2026
2pm used to wreck me. Eyes heavy, brain fog, reaching for sugar just to function. 3 weeks on Dellawell and it just stopped. I work full afternoons now without the slump. My coworkers asked if I switched coffee brands.
15
people found this helpful
|
M
Maria L.
- I ate without checking my phone
Reviewed
in the
United States
on
January 1, 2026
For 3 years every meal was a math problem. Will this spike me. How many carbs. 6 weeks on Dellawell and my post-meal numbers stopped jumping. Last Sunday I had pasta with my family and didn't open my glucose app once. First normal meal in years.
15
people found this helpful
|
D
Denise W.
- Doctor cut my Amlodipine dose
Reviewed
in the
United States
on
July 11, 2026
The swollen ankles. The exhaustion by 6pm. 4 years of that. Started Dellawell alongside my medication. 10 weeks in my readings were consistently in the 120s. My doctor reduced my dose. The swelling is almost gone. I have my evenings back.
15
people found this helpful
|
T
Tom B.
- One ingredient. That's what sold me.
Reviewed
in the
Canada
on
March 3, 2026
I'm tired of proprietary blends with 14 things I can't pronounce. Dellawell is one ingredient. Pure Ethiopian black seed oil at 5% TQ. That's the label. Been taking it for 4 months and my numbers are the best they've been in years. Simple works.
15
people found this helpful
|
M
Marcus T.
- My dad died of a stroke at 63. I'm not following him.
Reviewed
in the
United States
on
June 12, 2024
When my BP hit 146/94 last year I panicked. Same numbers he had. Found the research on thymoquinone, started Dellawell. 6 months in, 124/76 consistently. I sleep through the night. I don't check the monitor 3 times a day anymore. Wish he'd had this.
15
people found this helpful
|
L
Linda K.
- Fasting glucose under 100 for the first time in 4 years
Reviewed
in the
Australia
on
August 24 2024
My doctor said prediabetic. My mom went from that word to insulin in 5 years. I wasn't waiting. Started Dellawell the same week. 4 months later, fasting glucose 96. Doctor took prediabetic off my chart. I caught it in time.
15
people found this helpful
|
Frequently Asked Questions
Got Questions? We've Got Answers.
How does Vivacells work?
+
Your numbers aren't rising because of one bad habit — they're driven by chronic oxidative damage degrading your cardiovascular and metabolic systems for years. Thymoquinone, the active compound in black seed oil, works at that root level: reducing the inflammation stiffening your arteries and protecting the cells that regulate blood sugar. Dellawell delivers 1000mg of cold-pressed Ethiopian black seed oil standardized to 5% TQ
How is this different from other black seed oil?
+
Most brands don't standardize for thymoquinone at all — you're buying oil with no verified active content. Dellawell is standardized to 5% TQ, lab-verified every batch. It's also cold-pressed (heat extraction destroys TQ) and in oil form, which studies show works 4-5x better than powder. Same plant, completely different result.
How fast will I see results?
+
Steadier energy within 2-3 weeks. Blood pressure typically starts trending down by week 3-4, with the biggest movement between weeks 5-8 — the window where studies measured significant reductions. Blood sugar follows a similar path, with HbA1c responding by week 8-12. We recommend at least 8 weeks of daily use.
Can I take this with my medication?
+
Many customers do, but talk to your doctor first — black seed oil can amplify blood pressure and blood sugar medications, and your doctor should monitor as your numbers improve. Some customers have reduced their medications under medical supervision. Never change a prescription without your doctor's approval.
Is it safe?
+
2,000+ years of use and 80+ clinical trials with no significant side effects reported. No cough, no swelling, no brain fog, no stomach issues. Free from gluten, soy, dairy, GMOs, and artificial anything. If you're pregnant, nursing, or have a condition, check with your doctor.
Is Dellawell available in stores or on Amazon?
+
No. Dellawell is only available through our official website, so you always get the correct, clinically studied formulation.
What's in each softgel?
+
One ingredient: Pure Ethiopian cold-pressed black seed oil, standardized to 5% thymoquinone. The shell is bovine gelatin. That's the whole label — no fillers, no blends.
What's your guarantee?
+
You're fully covered by our 60-Day Money-Back Guarantee. Track your numbers — if you don't see improvement, contact us for a full refund. Fewer than 1% of customers ever ask.
