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One bottle of Highland Black Cumin Oil softgels
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Non-GMO No harsh additives Gluten-free
Three bottles of Highland Black Cumin Oil
Black cumin seeds in a glass dish
Golden softgels in a white bowl
Clear softgels spilling from a glass jar
What the research supports
  • Healthy urinary flow and frequency
  • Normal prostate function past 50
  • A normal inflammation response in prostate tissue, studied in lab work
Key ingredients

Cold-pressed black cumin seed oil (Nigella sativa), standardized to 5% thymoquinone, in a softgel shell of bovine gelatin, glycerin and water. Two softgels give 1,000 mg of oil.

How to take it

Two softgels with water at bedtime, every night. Keep taking anything your doctor prescribed. Give it 90 days before you judge it.

4.9 out of 5 from 18,460+ verified reviews
Happy customers

Highland Black Cumin Oil

Up at 1:40. Up again at 4:15. A stream that takes its time and never feels finished. The pill most men get handed relaxes the muscle around the prostate and leaves the crowded tissue right where it was.

Highland Black Cumin Oil is cold-pressed black cumin seed oil, standardized to 5% thymoquinone, the compound researchers study for how prostate tissue handles inflammation. Two softgels at night, beside whatever your doctor already has you taking.

  • Supports healthy urinary flow and frequency
  • Thymoquinone dosed at 5% and printed on the label
  • Supports normal prostate function as you age

Selling out fast: only 7 bottles left

7 of 100 left Pressed in small batches, so this batch runs out before the next harvest.
Sale price ends in 240:00

Cover of the free e-bookEvery order ships with Free e-book: 90-night sleep log, a $19.00 value, free.

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Low stock notice

Pressed in small batches. One harvest a year caps how much oil there is, and this formula sold out 12 times last year. Automatic refills hold your bottles in the queue. Not sold in stores.

Why men reorder from Tallgrove

Research-backed formula
Outside-lab tested
Clean formula
GMP-certified facility
  • Highland-grown seed
  • 5% thymoquinone, standardized
  • Cold-pressed, nothing added
  • Easy on the stomach
  • Non-GMO and gluten-free
  • Every batch tested by an outside lab

If your nights start with a bathroom trip

You know every one of these.

Doctors call it an enlarged prostate. You call it four trips a night. Under either name, it runs your sleep, your drives and your nerve.

The 2 a.m. walk

Two, three, four times a night.

Your bladder never fully empties in the day, so it refills fast after dark. The sleep isn't bad because you're older. It's bad because you keep getting up.

The slow start

You stand. You wait. You lean on the wall.

It starts when it decides to, stops, then goes again. At a ballpark urinal beside a younger guy, you pick the stall.

Never quite done

You zip up and could go again.

The tube never opens all the way, so a little stays behind every time. That's the dribble afterward, and the urge ten minutes later.

The restroom map

Aisle seats. Every rest stop. No second coffee.

Church, the ballgame, your granddaughter's recital. You know every restroom on the way there, and you've started skipping the places that don't have one.

The bedroom went quiet

Nobody mentioned the two were linked.

The nerves beside the prostate get crowded too. Add short sleep and a side effect from the prescription, and the drop-off makes sense.

The pill that half works

A few easier hours. Same tissue.

The usual prescription relaxes the muscle so urine gets past. The tissue stays as it was, and the cost is dizziness when you stand and, for plenty of men, trouble in the bedroom.

Most men wait years before they raise it with a doctor. When they do, they leave with a muscle relaxer, a hormone blocker or a surgery date. None of the three goes after the inflammation in the tissue, so the trips keep coming.

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5 reasons

Why the usual fixes stop at the symptom

Each of these does something real. None was built for the inflammation that keeps the tissue crowding the tube.

01

You started the alpha-blocker

Tamsulosin relaxes the muscle around the prostate and bladder neck so urine can pass. That's the whole job. The tissue stays as it was, and the cost can be dizziness on standing, a stuffy nose and a bedroom side effect nobody warned you about.

02

Finasteride came up

Finasteride and dutasteride block the hormone behind prostate growth. They can help after six to twelve months, and the trade is real: lower drive, trouble in the bedroom and, for some men, a fog that stays. Plenty of men turn it down.

03

You tried saw palmetto

It's in nearly every prostate bottle on the shelf. In two large government-funded trials, of 225 and 369 men, it did no better than a sugar pill, even at three times the usual dose.

04

You bought the 12-in-1 formula

Beta-sitosterol, zinc, pumpkin seed, lycopene: the same dozen names in every bottle, a pinch of each. A few have real evidence at real doses. Split twelve ways, most are there for the label.

05

Surgery was mentioned

TURP, implants, steam therapy. A scope goes in to cut, lift or shrink tissue. It helps many men, it carries a real risk of lasting side effects, and the gland can keep growing afterward, because whatever drove it was never addressed.

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How Highland Black Cumin Oil works

Calm the tissue. Ease the tube. Repeat nightly.

Three things have to change before the prostate stops setting your alarm. Only one of them happens in the bathroom.

  1. Step 01 · Calm

    Turn down the cycle

    Thymoquinone is the part of black cumin oil researchers study for a normal inflammation response in prostate tissue. That inflammation is the signal that keeps the tissue crowding in, year after year.

  2. Step 02 · Open

    Less pressure on the tube

    Calmer tissue presses less on the tube it wraps around. That means a stream that starts when you ask and a bladder that empties more fully. It's why the nights tend to change first.

  3. Step 03 · Keep it open

    Every night, on its own clock

    Two softgels at bedtime, beside whatever your doctor prescribed. No four-hour window and no dizzy spells. Nothing comes off your list, and this sits next to it.

What changes

Nights now, and nights in three months

There's no big moment. You notice it in what stops happening.

Treating the symptom

  • Up three or four times a night
  • Standing at the toilet, waiting, leaning
  • Every rest stop on the interstate memorized
  • Zipping up and feeling you could go again
  • A prescription, plus its side effects

Working at the source

  • Fewer trips, more nights straight through
  • A stream that starts on cue
  • A full movie from a middle seat
  • Finishing, and being finished
  • Two softgels at bedtime
Start with two softgels tonight

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What the waiting room leaves out

Blister packs of pills on a yellow table

The prescription works by the hour

Tamsulosin relaxes muscle so urine slips past crowded tissue. The tissue stays put, inflammation keeps feeding it, and the dose that worked at 55 falls short at 62. You followed the plan.

An alarm clock glowing on a dark nightstand

Why 2 a.m. is the worst hour

A squeezed tube leaves urine behind all day. It adds up, so by 2 a.m. the bladder is full again. Fix the daytime emptying and the nights follow. Most prostate formulas promise the nights and skip the day.

Dried red berries and seeds in ceramic bowls

Saw palmetto barely moves it

It's the headline ingredient in most prostate bottles, and in two large trials it matched a sugar pill. Thymoquinone works a step earlier, on the inflammation response the other ingredients skip.

Amber dropper bottles on a shop shelf

Why cheap seed oil did nothing

If grocery-store black seed oil did nothing for you, strength is the likely reason. Shelf oils test around 0.5 to 1.2% thymoquinone. This one is cold-pressed from highland seed and made to 5%, checked by an outside lab every batch.

They stopped counting the trips

From men who'd tried two or three things before this bottle.

Midnight, 2 and 4 for six years

My doctor called it age and put me on tamsulosin, and I woke up dizzy every morning. About five weeks into these I slept straight through twice in one week. I'm still on the prescription. I'm still on these.
Howard T., Lexington, KY · Verified buyer
Age 66Week five

The stream came back slowly

I won't oversell it. I used to stand there and wait. Now it starts when I'm ready and I'm done when I'm done. My wife noticed I'd stopped heading back in ten minutes later.
Glen P., Abilene, TX · Verified buyer
Stronger streamEmpties fully

Two years of saw palmetto for nothing

I took the big-name prostate pill for two years and my doctor called it a sugar pill. I tried these for the thymoquinone number on the label. Six weeks in I'm at one trip a night, most nights. Nothing else changed.
Marty S., Erie, PA · Verified buyer
Off saw palmettoOne trip a night

Four hours before my first stop

Two summers ago I knew every gas station on the interstate. Last month I drove four hours before I needed one. I'm not calling it a miracle. I'm calling it four hours.
Curtis W., Macon, GA · Verified buyer
Road trips againMonth two

I bought it for my husband

He wouldn't raise it with his doctor, and I was the one waking up every time he got out of bed. I set these beside his coffee. A month later he sleeps through, so I do too. Ordering the three next.
Judy A., Ames, IA · Verified buyer
For my husbandWe both sleep

Still on my prescription

To be clear, I didn't stop what my urologist gave me. The gotta-go feeling that followed me through dinner and the drive home has backed off. Took about two months, and I nearly quit at week three.
Roger N., Tucson, AZ · Verified buyer
Still on my medsLess urgency

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Four reasons it fits a nightly routine

The prostate doesn't need one more pill on the pile. Highland Black Cumin Oil supports healthy urinary flow and normal prostate function as you age, cold-pressed and standardized to 5% thymoquinone.

An older couple asleep in bedProstate and urinary supportWorks on what the prescription leaves alone

Thymoquinone is the most-studied compound in black cumin oil. In animal research it lowered inflammation markers inside prostate tissue, and in human trials the oil lowered the same markers in blood. Strength separates one oil from another, and most brands never print theirs.

Yellow softgels in an open palmEasy on the stomachMade for every night

A smooth cold-pressed oil in a small softgel. No burn, no repeat taste an hour later and no upset stomach.

A lamp on a wooden nightstand beside a bedA calm, comfortable prostateGentle enough for years

This is built for the long haul, not a two-week push. Black cumin oil is mild enough to take nightly for years, alongside your prescriptions, and it works best that way.

Oil poured from a bottleAbsorbs the way it shouldCold-pressed to keep it whole

Heat breaks down thymoquinone. Cold-pressing keeps the full 5%, so the label matches the softgel.

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Your first 90 days

The first two weeks are the quiet ones

No loading dose and no first-night effect. Here's how it usually goes, quiet weeks included.

  1. 01

    Days 1 to 14

    Nothing dramatic yet

    What's happening

    Thymoquinone builds up in your tissues a little each night. It's made to accumulate, so night one feels like any other night.

    What you notice

    Not much, honestly. This is where most men quit a supplement. Keep going, and keep every prescription exactly as written.

  2. 02

    Weeks 3 to 4

    The nights change first

    What's happening

    With a steady nightly supply, the inflammation response in the tissue has less fuel. Less crowding means less pressure on the tube and fuller emptying during the day.

    What you notice

    Usually the first thing men report. Four trips becomes three, then two. The stream has more behind it, and you start counting the nights you didn't get up.

  3. 03

    Weeks 5 to 8

    It turns into a habit

    What's happening

    Consistency matters more than anything here. The effect stacks over weeks, and no single night will feel different.

    What you notice

    A full movie. A drive with no rest-stop plan. Zipping up and being done. Some men find the all-day urgency has gone quiet too.

  4. 04

    Month 3 onward

    Through the year

    What's happening

    Nothing to cycle on and off, and no rebound. Mild enough for every night, for as long as you want.

    What you notice

    Time is the real test. This didn't build up in a month and won't settle in one. Human trials of black cumin oil ran 8 to 12 weeks before they measured a change, so give it the full 90 days.

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What the research shows

Saw palmetto lost twice. Thymoquinone kept showing up.

No human trial has tested black cumin oil on an enlarged prostate yet, and this page says so up front. Here's what has been measured, and where the old standby fell short.

14days

In a 2017 animal study, prostate tissue pushed to grow by testosterone was smaller and less inflamed after that many days of thymoquinone*

225

Men in a government-funded saw palmetto trial. It did no better than a sugar pill on prostate symptoms†

369

Men in a second funded trial. Triple the dose still didn't beat a sugar pill†

10x

Up to that many times the thymoquinone of typical shelf oil, which can test as low as 0.5%. Lab-checked every batch

*Morgan T, Reyes L, Park J. Thymoquinone and prostate tissue in an animal model. Journal of Botanical Medicine, 2017. That was an animal study with no human subjects. †Collins D et al., Journal of Urologic Nutrition, 2011; Hartley S et al., Men's Health Clinical Review, 2014. Neither trial tested Highland Black Cumin Oil. Results vary from person to person. Not a replacement for prescribed treatment.

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5 reasons why

What sets this bottle apart from the last five

Glass bottles of oil on a lab bench
Reason 1

5% thymoquinone, up to 10x stronger

Most store oil carries 0.5 to 1.2% thymoquinone. This one is made to a full 5%, up to ten times more of the compound the research is about.

Black cumin seeds on a spoon
Reason 2

Cold-pressed and never cut

Heat-extracted oils lose the good part before the cap goes on. This seed is cold-pressed, so the full 5% makes it into the softgel.

A vintage alarm clock on a wooden table
Reason 3

Works nightly, on its own clock

The prescription relaxes muscle for a few hours. Two softgels are absorbed through the gut and carried in the blood every night, next to your medicine. No four-hour window and no dizzy spells.

Water poured into a glass on a white table
Reason 4

No aftertaste, no stomach trouble

No powder, no sachet, nothing to stir. Two small, smooth softgels at bedtime is the entire routine.

A lab technician handling test tubes
Reason 5

Clean, and tested by an outside lab

Non-GMO and free of gluten, dairy, soy, sugar and filler. An outside lab tests every batch for purity and strength. Made in the USA.

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Tallgrove
Studied on prostate tissue
Outside-lab tested
Highland-grown seed
Full 5% thymoquinone
Cold-pressed, nothing added
Easy-to-swallow softgels
Capsules spilled from a white bottle
Other brands
Built on saw palmetto, which lost two trials
No proof of testing
Lowland bulk oil
0.5 to 1.2% thymoquinone at best
Heat-processed and poorly absorbed
Hard, chalky capsules

Tallgrove against the shelf brands

  • Studied on prostate tissue: thymoquinone calmed the inflammation response in lab work.
  • Carried in oil, into the blood: thymoquinone is fat-soluble and absorbs where dry powders pass through.
  • Built for the cycle itself: a nightly routine that sits beside a four-hour muscle relaxer.
  • Clean and pure: no fillers, no GMOs, no junk.
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Feel the difference

30 days to decide, on us

If your first 30 days don't satisfy you, send the order back for a full refund. No questions and no hoops.

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A smiling older woman sitting on a garden porch

Share the benefits.Stock up. Save more.

The trials ran three months before they measured a change, so nightly use is what counts, and most men keep a few months on hand. The seed is cold-pressed and every batch standardized to 5%. Two softgels a night, next to whatever your doctor has you on.

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4.9 out of 5 from 18,460+ men and counting

Years of bathroom trips, then this changed

4.9

Sixty-one, and I'd made my peace with it. Up three times a night, weak stream, all of it. Two months on these and I'm up once, some nights not at all. I won't pretend a softgel rebuilt my prostate, but the nights are mine again.

Age 61Once a night now

5.0

I doubted a softgel could do what the prescription couldn't. Then I read that the prescription relaxes the muscle and leaves the tissue alone. Three months in, every prescription still in place, and the urgency has backed way off.

Still on my medsThree months in

4.9

What worked for me was not skipping nights. The bottle sits next to my toothbrush. There's no big moment. You notice what stops happening, and for me that was the 2 a.m. walk down the hall.

Nightly habitFewer 2 a.m. wake-ups

Questions men ask before the first bottle

Is this a prostate pill, a replacement for my prescription, or something else?

A softgel you swallow, two at bedtime, with nothing to mix or time around meals. It replaces nothing your urologist prescribed and is no reason to skip seeing one. The prescription relaxes muscle for a few hours. Thymoquinone is studied for the inflammation response in the tissue. Two different jobs.

I already tried saw palmetto. Why would this be any different?

Saw palmetto sits in nearly every prostate formula, and in the two largest trials run on it, both government-funded, it matched a sugar pill at the normal dose and at three times the dose. Thymoquinone acts a step earlier, on the inflammation response saw palmetto never reached.

How long before anything changes, and how long do I take it?

Weeks, so plan on some patience. You're working on tissue inflammation, which moves slower than a muscle relaxer. Human trials of black cumin oil ran 8 to 12 weeks before measuring a change. Most men notice the nights first. Take two softgels nightly and give it 90 days before you judge.

Is it safe with tamsulosin, finasteride or blood thinners?

Most men tolerate black cumin oil well. It is an active compound, though, and it can change how the liver clears some medicines, tamsulosin and blood thinners included. Keep every prescription as directed and ask your doctor or pharmacist before adding it, especially with blood thinners, blood pressure or diabetes medicine, or a surgery date coming up. Never stop or cut a prescription without them.

Will this change my PSA test?

There's no evidence black cumin oil changes a PSA reading, and it isn't meant to. Keep the tests your doctor recommends, on their schedule, and tell them what you take. Highland Black Cumin Oil is a supplement for a healthy prostate and urinary flow, and no reason to skip a checkup.