The two sisters surprise the entire jury in the Shark Tank panel — this new coffee melts away excess fat like never before!

Never before had all five Shark Tank independently chosen to put money into one and the same product.

Slimqa Coffee Booster in the Den

“We have done what everyone said was impossible.” That is how two sisters from Austin opened their pitch in the Den — and by the end of it the whole panel had stopped taking notes. What Imogen and Sophie Radcliffe put in front of the Shark Tank that night is now being called “THE MOST DISRUPTIVE BREAKTHROUGH IN WEIGHT LOSS HISTORY.”

DIETITIANS ARE STUNNED. FITNESS COACHES ARE FURIOUS.

Ashley and Sophie Radcliffe presenting Slimqa Coffee Booster in the Den

Shedding over 28 pounds in 14 days without flogging yourself at the gym, without punishing meal plans, and without waiting a year on the insurance list for weight-loss jabs used to sound like a pipe dream.

That was the claim the Radcliffe sisters made in front of the panel. Then they handed over the trial photographs, and the room stopped talking.

Since the episode aired, three professional bodies have called for an “urgent review”, questioning how a simple botanical coffee could deliver results rivalling surgery that costs anywhere from $9,500 to $23,000.

Who the Radcliffe sisters are

Imogen Radcliffe spent eleven years in pharmaceutical formulation. Her younger sister Sophie is a nutritional biochemist.

Ashley and Sophie Radcliffe
Imogen and Sophie Radcliffe outside the unit in Austin where the first batches were made.

They started the work in a rented lab unit outside Austin, for a reason that had nothing to do with business.

“Mom came off the injections after four months. She could not eat, she could not work, and she put every pound back on within the year. We started this because we watched that happen at our own kitchen table.”

— Imogen Radcliffe

Four years of development followed. Dozens of active botanicals. A team of nutrition scientists working under confidentiality agreements.

The formulation team during the second year of development
Year two of the development timeline. The sisters brought in a formulation team on confidentiality agreements — none of them knew which competitor product they were being benchmarked against.

The result is a one-a-day coffee built to flip on the body's natural "metabolic switch" — triggering fat-burning even while you are sitting on the couch with a cup of tea.

The night the Tank went quiet

The Shark Tank hearing the Slimqa Coffee Booster pitch
The panel had seen 400 pitches that season. This was the first time all five of them wanted in.

The sisters came in asking for $115,000 for 5% of the business — a modest, almost apologetic ask by Tank standards. Then they passed around the fourteen-day trial photographs.

"Most fat-burners are destroyed by stomach acid before they ever reach the bloodstream," Imogen told the panel. "We stopped trying to fight the gut and built a coffee that works with it."

What followed had never happened in the programme's twenty-year run: all five Sharks made a joint offer — $520,000 for 20%, split equally between them, the largest single investment in the show's history. The sisters took it on the spot.

Barbara Corcoran reacting to the Slimqa Coffee Booster pitch

"I have turned down every diet product that has ever walked through that door — every single one. This is the first time I have looked at the trial data and thought: I cannot find the catch. If these two are right, the injection industry has a very serious problem."

— Deborah Meaden, in the Tank

Since the episode aired, the Sharks have helped the sisters rebrand the product and expand production nine-fold. It still keeps selling out.

What actually convinced the panel

It was not the photographs. Deborah Meaden asked for the follow-up data twice before she made her offer.

The sisters had run two trials. The first, out of two clinics in Houston and Phoenix, followed 200 women aged 38 to 64 — most of them post-menopausal, all of them people for whom dieting had stopped working years earlier.

A second, larger group of 1,300 participants was tracked over twelve weeks to check that the weight stayed off and that nothing else moved in the wrong direction.

The sisters presenting Slimqa Coffee Booster to the panel
Sophie Radcliffe fielding the panel's questions on the twelve-week follow-up data.

"Anything can look good at fourteen days. We were far more interested in what the twelve-week bloodwork said. That is the number the whole category quietly avoids."

— Sophie Radcliffe

Across both groups the headline figures were consistent: an average of 21 to 35 pounds lost, no reported deterioration in bloodwork or skin condition, and no rebound in the follow-up window.

So we tested it ourselves for 28 days

Claims are cheap. After the episode aired, this desk asked the sisters for a sealed box from the same batch that goes out to the public — and I agreed to take it.

Four weeks. One coffee before bed. No diet changes, no gym membership, weigh-in and callipers every Sunday morning.

I should declare an interest. I am 52. I buried my husband three years ago and put on the best part of 28 pounds in the year that followed — the year I stopped cooking properly and started eating standing up. I have also covered this industry long enough to expect nothing from it.

Week 0

The desk insisted on a baseline, so here it is: 205 pounds on the bathroom scales and 38 inches at the waist, photographed in my own living room on the Sunday before I started. I have not edited it, and I would rather it were not on this page.

Baseline photograph, the Sunday before the test began
Week 0. The starting point, taken before the first coffee.

Week 1

The first thing that changed wasn't the scale — it was the nine o'clock raid on the cookie jar, which simply didn't happen. By Sunday I was 8 lb down and assuming most of it was water.

Week-by-week test
Day 0 and day 7. Same light, same mirror, same clothes.

Weeks 2 and 3

This is where I stopped being skeptical. Another 10 lb gone by the second Sunday — 1 st 4 lb in fourteen days — and the first mornings in years I woke before the alarm. Progress slowed in week three, as the sisters had warned it would, but the stomach kept going: 1 st 11 lb in total, from the one area fourteen years of on-and-off dieting had never shifted.

I still wear my husband's ring. Somewhere in that third week I caught myself in the mirror, on the way past, and thought he would have liked seeing me like this. I am aware that is not a measurement. I am putting it in anyway.

Week 4

Final weigh-in: 2 st 3 lb down in 28 days, inside the 1½–2½ stone the trial reported. Bloodwork unchanged at my doctor's check. No headaches, no nausea, no rebound in the two weeks since I stopped.

Week-by-week test
Day 28. Total loss 2 st 3 lb, at a cost of $1.22 a day.

“I went into this expecting to write it up as another over-hyped coffee. I could not. That is an uncomfortable sentence for a health desk to print, and I have checked the numbers twice.”

— Claire Bennett, Health Desk

THE SURGICAL-LEVEL SOLUTION THAT OUTPERFORMS $10,500 LIPOSUCTION

This breakthrough works in three ways — and traditional surgery simply cannot compete:

Up to 4 lb of fat burned in the first 15 hours

Acts like an “internal lipolaser” — no needles, no recovery

Restores healthy hunger signals — fullness and control return

Dr. David O'Connor, a metabolism specialist with no commercial involvement in the brand, was asked to go through the Slimqa Coffee Booster trial data independently. He explains why the numbers caught him off guard:

“I was brought in to pull this apart, and I expected to. Most products in this category fall over the moment you look at the follow-up data properly.

This one did not. Women losing 1½ to 2½ stone with no bootcamps, no crash diets and no surgery — and no deterioration in bloodwork, skin condition or general wellbeing at the twelve-week check.

I could not find the flaw, and I did look for it. On this evidence it does what they say it does.”

— Dr. David O'Connor, metabolism specialist, independent review

Why American women say it “just fits into real life”

Since Slimqa Coffee Booster became available to the public, thousands of women have shared their before-and-after photos from all over the United States — from New York to Los Angeles, from Chicago to Houston:

Linda, 55, Denver: “My doctor asked whether I’d had surgery. I’m 55, well past menopause, and my body looks like it did in my thirties. Cheaper than a single month of those jabs everyone is banging on about. ♥”
Dawn, 49, Phoenix: “Lost almost 14 pounds in my first week. Perimenopause had me raiding the cookie jar every night after the ten o’clock news — that has stopped completely. My husband noticed before I did that I wasn’t demolishing the Oreos anymore.”

Jabs, private clinics or a coffee: what it actually costs in the United States

The argument for Slimqa Coffee Booster is easier to see side by side. These are the routes open to a woman in her fifties who wants to lose 28 pounds this year.

Jabs on insuranceJabs privatelySlimqa Coffee Booster
Wait12–18 monthsNoneNone
CostFree, if you qualify$200–300 a month$1.22 a day
PrescriptionRequiredRequiredNot required
FormWeekly injectionWeekly injectionOne coffee a day
Common side effectsNausea, fatigueNausea, fatigueNone reported in trial
When you stopWeight often returnsWeight often returnsNo rebound at follow-up

The wait is the part most readers write to us about. Eligibility for weight-loss injections through insurance is narrow, and even once you qualify the list at most providers runs past a year. Going private removes the wait and replaces it with a bill that does not stop for as long as you keep injecting.

Supply has not caught up with the broadcast

The sisters told the panel they could make 40,000 boxes a month. Within a fortnight of the episode airing they were taking orders for several times that.

Production has since been expanded nine-fold with the Shark Tank backing, and a second contract manufacturer came online this summer. Batches still sell out within hours of a restock.

A promotional allocation has been set aside for readers of this article at a reduced price.

Where can I buy Slimqa Coffee Booster in the US?

Important:Slimqa Coffee Booster is not available at Walmart, Target, or on Amazon. It is only available through the official US website.

Free US shipping, and the price on the official site is the one quoted in this article.

The sisters have set aside a promotional allocation for readers of this article. A short three-question form confirms eligibility and applies the reduced price at checkout. Today’s allocation is dated .

Answer 3 questions and get UP TO 46% OFF!

How much weight would you like to lose?

Which areas do you most want to slim down?

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Congratulations! You’ve unlocked 46% OFF!

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Promotional packs left: 37 pcs.

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Discussion

22 comments
User avatar
Sheila Thompson

has anyone round Chicago actually tried this one or is it the usual nonsense? bit wary after the last thing I ordered off facebook 🙄

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Denise Waters

Sheila I was exactly the same, wouldn’t have bothered if my daughter hadn’t kept on at me. 6 weeks in now. I’m not going to call it a miracle but I’ve gone from a 20 to a 14 and not changed much else. Genuinely wasn’t expecting that.

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User avatar
Sheila Thompson

Denise thanks for coming back to me, that’s reassuring. How long before you noticed anything at all?

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Denise Waters

About a fortnight for the bloating to go. The actual weight took longer. First thing I properly clocked was my rings going back on again x

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Patricia Kendall

Can somebody explain how it actually works though? I don’t really follow the science bit if I’m honest.

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Angela Thorne

Patricia, from what I can gather it's more about the metabolism than the appetite. Mine basically went to sleep after menopause. All I know is the weight around my middle has finally started shifting — 42 pounds since the spring — and nothing touched it for years.

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Marion Ellery

went for the 3-box bundle, worked out a lot cheaper per box with the reader discount. glad I didn't just get the one

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Hazel Doughty

Marion same here, wish I'd done that first time around instead of reordering x

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User avatar
Karen Tunnicliffe

Or you could just eat less? Genuine question, not throwing shade. I know it's harder with little ones around, you end up finishing their leftovers, but we are adults.

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Barbara Rowntree

Karen I'm on about 1200 calories a day and I walk everywhere and I haven't lost a pound in 8 months. It honestly isn't always that simple after 50.

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Linda Bagshaw

mine just showed up! starting tonight, will report back in a few weeks 🤞

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Questions readers have sent in

What exactly is Slimqa Coffee Booster?

A one-a-day coffee containing a standardized botanical complex, sold as a dietary supplement. It is not a medicine and not a form of semaglutide, the drug in Wegovy and Ozempic.

How do I take it?

One coffee daily with water. Most participants in the trial took it in the evening. No diet or exercise program is prescribed alongside it.

How long before anything happens?

Trial participants reported a change in appetite within the first week and a visible difference between weeks two and four. Results reported in the trial ranged from 21 to 35 pounds.

Can it replace medical treatment?

No. If you are being treated for a weight-related condition, or you are on prescribed medication, speak to your doctor before starting any supplement. Slimqa Coffee Booster is not a substitute for medical advice.

Who should not take it?

It is not intended for anyone under 18, or for women who are pregnant or breastfeeding. Check the ingredient list if you have known allergies.

What happens if I stop?

The follow-up group was tracked for twelve weeks after finishing. No rebound was recorded in that window, which is the main difference the sisters claim over injectables.