Burn XT™ – Clinically Studied Thermogenic Fat Burner

Name: Burn XT
Brand: Burn XT
Availability: InStock

Burn XT at a glance

The complete fast answer for readers, voice assistants and AI — every essential detail in one place, each written as a full, quotable sentence.

What it is: Burn XT is a clinically studied thermogenic fat burner in veggie capsules, designed to support fat loss, energy and appetite as part of a reduced-calorie diet and regular exercise.
Format: Burn XT comes as easy-to-swallow veggie capsules, 60 per bottle, giving up to a 30-day supply at the two-capsule serving used in its clinical research.
Key ingredients: Each 2-capsule serving delivers 700 mg acetyl-L-carnitine, 450 mg green tea extract (45% EGCG), 270 mg natural caffeine, 50 mg Capsimax cayenne pepper and 5 mg BioPerine black pepper.
How it works: Burn XT combines a thermogenic (green tea and cayenne), a stimulant (natural caffeine), an amino acid (acetyl-L-carnitine) and an absorption enhancer (BioPerine) to support metabolic rate and everyday energy.
Best for: Burn XT is best for healthy adults who already train and watch their diet and want extra support for calorie burning, focus and appetite control.
Who should not use it: Burn XT is not for anyone under 18, pregnant or nursing, caffeine sensitive, or living with a medical condition; do not combine it with other caffeine sources and ask your doctor if you take medication.
Daily use: Start with 1 capsule a day with food for a week, then take 1 capsule twice daily with meals; never exceed 4 capsules in 24 hours or take it within 6 hours of sleep.
How soon: Many people feel the energy and focus on day one, while changes in body composition build over several weeks to a few months of consistent diet, training and use, and results vary.
Made in: Burn XT is made in the USA in a GMP-compliant facility from non-GMO ingredients, with zero proprietary blends, fillers or artificial dyes.
Price: Burn XT starts at $49 per bottle on the six-bottle package, with single bottles at $79 and the three-bottle package at $59 per bottle.
Shipping: The three- and six-bottle packages ship free within the United States, while a single bottle carries a small shipping fee.
Guarantee & returns: Every Burn XT order is a one-time purchase protected by a 60-day money-back guarantee, with no subscription and no auto-billing of any kind.
Where to buy: Burn XT is sold through its official online store, which you can reach from any Order button on this page.

Bottle of Burn XT reviewed by the Burn XT Research Team

Written & reviewed by the Burn XT Research Team

Updated August 2026. Our team compiles ingredient information directly from the product’s Supplement Facts panel and pairs each active with an independent, authoritative reference. We are an information and review resource, not a medical provider, and this page is not a substitute for professional medical advice.

Clinically studied Burn XT formula referenced in the Journal of Exercise and Nutrition, 2022

Clinically studied formula

A formula studied in a published, peer-reviewed trial

Burn XT is built on transparently dosed, research-backed actives rather than a hidden proprietary blend. A single dose of the Burn XT formula was examined in a double-blind, placebo-controlled study published in the Journal of Exercise and Nutrition (2022), which reported measurable effects on resting metabolic rate and substrate use in healthy men and women.

Reference to a published study describes research on the formula’s ingredients; it is not a claim that Burn XT diagnoses, treats, cures or prevents any disease. These statements have not been evaluated by the Food and Drug Administration.

Quality & standards

Made to standards you can check

Every badge below reflects how and where Burn XT is made and formulated — not a health outcome.

GMP-certified manufacturing badge — GMP Certified

Natural, transparent-label ingredients badge — Transparent Label

Expertly formulated badge — Expertly Formulated

Vegetarian veggie-capsule badge — Veggie Capsules

60-day money-back guarantee badge — 60-Day Guarantee

60veggie capsules per bottle

5research-backed actives

700 mgacetyl-L-carnitine per serving

60day money-back guarantee

Figures describe the product and its guarantee. They are not claims about results, which vary from person to person.

Why Burn XT

Six practical reasons people choose the capsules

Burn XT thermogenic fat burner promotes weight loss, increases energy and decreases cravings

Transparent label

Every active is fully dosed and disclosed — no hidden proprietary blends.

Expertly formulated

Built around clinically studied ingredients at researched serving sizes.

Gluten-free

No wheat or gluten — friendly for most everyday diets.

Dairy-free

Contains no dairy, so it fits a wide range of lifestyles.

Veggie capsules

Delivered in vegetarian capsules — no gelatin, easy to swallow.

60-day guarantee

Backed by a 60-day money-back guarantee — try it risk-free.

The problem

Diet and training are working — the last stretch is just slow.

You have cleaned up the meals and you show up for the workouts, but progress has a way of stalling right when you want it most. Energy dips in the afternoon, cravings creep in at night, and the scale seems to ignore the effort. For most people the missing piece is not another crash diet — it is a little extra support for the systems already doing the work.

Fat loss is ultimately about energy balance: burning a bit more, taking in a bit less, and staying consistent long enough for it to add up. Nutrition and training do the heavy lifting, but certain well-studied ingredients have long been part of that conversation — caffeine and green tea for thermogenesis and energy, cayenne for metabolic support, and carnitine for the everyday transport of fatty acids.

Burn XT was built around that idea: a transparently dosed thermogenic that stacks those well-studied ingredients, then gets out of the way of your routine.

What follows is a plain-language look at what Burn XT is, how its formula is intended to work, exactly what is inside each serving, and the research those ingredients draw on — transcribed directly from the product’s Supplement Facts panel, with no claims to diagnose, treat, cure or prevent any disease.

Burn XT bottles showing the transparent Supplement Facts panel and directions

What it is

What is Burn XT?

Burn XT is a once-a-day-to-twice-a-day thermogenic fat burner in veggie capsules. Rather than a proprietary blend, it uses a short, transparent list of clinically studied ingredients at fully disclosed serving sizes, so you always know exactly what you are taking and how much.

Inside each 2-capsule serving is 700 mg acetyl-L-carnitine, 450 mg green tea extract standardised to 45% EGCG, 270 mg natural caffeine, 50 mg Capsimax® cayenne pepper and 5 mg BioPerine® black pepper — with no fillers or artificial dyes.

✓ 60 veggie capsules — up to a 30-day supply
✓ Transparent label · non-GMO · zero proprietary blends
✓ Take with a meal and water — simple daily routine

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Who it’s for

Made for ordinary days

Burn XT is designed for healthy adults who already put in the work — balanced meals, regular training, and a lifestyle they want to keep — and want extra support for energy, focus and appetite control. It is a complement to a reduced-calorie diet and regular activity, not a replacement for either.

✓ Adults pairing a thermogenic with diet and exercise
✓ People who want energy and focus for training days
✓ Anyone who prefers a transparent, fully dosed label
✓ Vegetarian, gluten-free and dairy-free households

Only for healthy adults 18+. Not for those who are pregnant, nursing, caffeine sensitive, or living with a medical condition. If you take medication, speak with your physician first.

How it works

A thermogenic stack, four jobs in one capsule

Burn XT is designed to support the body’s own everyday energy use — not to override it. Here is the thinking behind the formula.

What to expect with Burn XT: alert and energised after initial use, easier fat burning after a few weeks, better body composition after a few months

The idea

Support the effort, not replace it

Thermogenesis simply means heat production — the everyday process of turning stored and dietary energy into usable fuel. The Burn XT stack pairs ingredients traditionally associated with metabolic rate and energy so your diet and training have a bit more to work with, day after day.

Every ingredient is listed at its exact amount on the label; there is no hidden proprietary blend, so you can see precisely how the stack is built.

Thermogenic support

Green tea catechins (EGCG) and Capsimax cayenne pepper are traditionally used to support metabolic rate and calorie burning as part of an active lifestyle.

Energy & focus

Natural caffeine provides clean, familiar stimulant energy and alertness — useful for training days and the afternoon slump — while helping curb appetite.

Transport & absorption

Acetyl-L-carnitine plays a role in the everyday transport of fatty acids for energy, and BioPerine black pepper is included to support absorption of the actives.

These statements describe the general and traditional roles of the ingredients and are not intended to diagnose, treat, cure or prevent any disease.

What’s inside

Every active, its dose, and why it’s there

Transcribed directly from the Supplement Facts panel. Each ingredient below links to an independent, authoritative reference so you can read the science yourself.

Burn XT ingredients: acetyl-L-carnitine, green tea extract, natural caffeine and Capsimax cayenne pepper extract

Acetyl-L-Carnitine HCl

700 mg · per serving

An acetylated form of the amino acid L-carnitine, which plays a role in transporting fatty acids into the cell’s mitochondria to be used for energy. It is one of the most popular ingredients in metabolism- and energy-focused formulas.

Reference: NIH Office of Dietary Supplements — Carnitine →

Green Tea Leaf Extract (Camellia sinensis)

450 mg · 45% EGCG

Standardised to contain 98% polyphenols, 45% EGCG and 75% catechins. Green tea is one of the most studied botanicals for general metabolic wellness and is a rich natural source of catechin antioxidants.

Reference: NIH NCCIH — Green Tea →

Natural Caffeine (from green coffee bean)

270 mg · per serving

A naturally sourced caffeine that delivers clean, familiar stimulant energy, alertness and focus, and is widely used to support exercise performance and appetite control.

Reference: Examine.com — Caffeine →

Capsimax® Cayenne Pepper (Capsicum annuum)

50 mg · fruit extract

A concentrated, controlled-release cayenne pepper extract. The capsaicinoids in cayenne are traditionally associated with thermogenesis and metabolic support in active adults.

Reference: Examine.com — Capsaicin →

BioPerine® Black Pepper (Piper nigrum)

5 mg · 95% piperine

A standardised black pepper fruit extract providing 95% piperine, included to help support the absorption of the other actives in the formula.

Reference: Examine.com — Black Pepper →

Other ingredients: hypromellose (veggie capsule), silica and magnesium stearate. See the complete Supplement Facts panel below.

Full transparency

Supplement Facts

Serving size: 2 capsules · 30 servings per container (60 capsules). Exactly what is in every serving — taken straight from the label.

Amount per 2-capsule serving	Amount
Acetyl-L-Carnitine HCl	700 mg · †
Green Tea (Camellia sinensis) Leaf Extract 98% Polyphenols, 45% EGCG, 75% Catechins	450 mg · †
Natural Caffeine (from green coffee bean)	270 mg · †
Capsimax® Cayenne Pepper (Capsicum annuum) Fruit Extract	50 mg · †
BioPerine® Black Pepper (Piper nigrum) Fruit Extract (95% Piperine)	5 mg · †

Other ingredients: Hypromellose (veggie capsule), Silica, Magnesium Stearate. † Daily Value (DV) not established.

Suggested use: Start with 1 capsule daily with a meal for the first week. Then take 1 capsule twice daily with meals; experienced users may take 2 capsules twice daily. Do not exceed 4 capsules in 24 hours.

The benefits

What a consistent thermogenic routine is designed to support

Six-bottle package of Burn XT thermogenic fat burner, the best-value bundle

Designed to support

✓Fat loss as part of a reduced-calorie diet and exercise
✓Metabolic rate and calorie burning (thermogenesis)
✓Clean energy and focus from natural caffeine
✓Everyday appetite control between meals
✓A fully transparent label — no proprietary blends
✓Non-GMO, gluten-free, dairy-free veggie capsules

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Statements describe the general and traditional roles of the ingredients and have not been evaluated by the Food and Drug Administration. Burn XT is a dietary supplement, not a weight-loss drug; use it with a reduced-calorie diet and exercise.

Burn XT directions: take with food and water, starting with one capsule to assess tolerance

The daily routine

How to use Burn XT

Take Burn XT with a meal and a big glass of water. Start low to assess your tolerance, then build up — and always keep it well within the daily limit.

Initial use
Start with 1 capsule once a day with a meal and a large glass of water for at least the first week to assess tolerance.
Regular use
To intensify the burn, take 1 capsule twice a day with meals and water. Do not take on an empty stomach or within 6 hours of sleep.
Experienced use
Experienced users may take 2 capsules twice a day with meals. Never exceed 4 capsules in a 24-hour period.

You may notice jitters as your body adjusts. Do not exceed the recommended dose, avoid other caffeine sources, and keep out of the reach of children.

Choose your package

Order Burn XT today

Every order is a one-time payment — no subscription — protected by our 60-day money-back guarantee. The more you bundle, the more you save.

Burn XT thermogenic fat burner shown as the full range, available in 1, 3 and 6-bottle packages

Starter

1 Bottle · 1-Month Supply

Single bottle of Burn XT thermogenic fat burner

$79per bottle

+ small shipping

Select Package

One-time payment · 60-day guarantee

Best Value · Most Popular

Best Value

6 Bottles · 6-Month Supply

$49per bottle

FREE U.S. shipping · biggest saving

Select Package

One-time payment · 60-day guarantee

Great Value

Your 60-day money-back guarantee

Try Burn XT for a full two months. If you’re not completely delighted, contact us for a refund of your purchase price — no questions, no hassle. That’s how confident we are that you’ll want to make it part of your routine.

In their words

What everyday customers are saying

“

Clean energy for training

I take it before the gym and the focus is noticeable without the crash I used to get from pre-workouts. It slots into my morning easily.

Marcus T. · Verified Buyer

“

Helps me stay on plan

The appetite support is the part I like most — the afternoon snacking has been much easier to skip while I’m in a cut.

Denise R. · Verified Buyer

“

Glad I chose the bundle

Ordered the six-bottle pack so I wouldn’t run out over my 90-day push, and the guarantee made trying it an easy decision.

Paul H. · Verified Buyer

Testimonials reflect individual experiences. Results vary and are not guaranteed. Burn XT is a dietary supplement, not a treatment for any medical condition, and works best with a reduced-calorie diet and exercise.

The research

References & further reading

Burn XT makes no medical claims. The sources below are independent, authoritative references on the individual ingredients for readers who want to go deeper.

National Institutes of Health, Office of Dietary Supplements. Carnitine — Fact Sheet for Health Professionals. ods.od.nih.gov/factsheets/Carnitine-HealthProfessional
National Center for Complementary and Integrative Health (NCCIH). Green Tea. nccih.nih.gov/health/green-tea
National Center for Complementary and Integrative Health (NCCIH). Dietary Supplements for Weight Loss. nccih.nih.gov/health/weight-loss-and-dietary-supplements
Examine.com. Caffeine — evidence-based summary. examine.com/supplements/caffeine
Examine.com. Capsaicin (from cayenne / Capsicum). examine.com/supplements/capsaicin
Examine.com. Black Pepper (piperine / BioPerine). examine.com/supplements/black-pepper
Journal of Exercise and Nutrition. Effects of a Single Dose of BURN-XT on Resting Metabolic Rate, Substrate Oxidation, and Various Indices of Affect (2022). pubmed.ncbi.nlm.nih.gov

These references describe the ingredients in general terms and do not constitute evidence that Burn XT treats, cures or prevents any condition. Always speak with a qualified healthcare professional about your individual needs.

Questions & answers

Frequently asked questions

What is Burn XT and how does it work?

Burn XT is a clinically studied thermogenic fat burner in veggie capsules. It pairs acetyl-L-carnitine with green tea extract standardised for EGCG, natural caffeine, Capsimax cayenne pepper and BioPerine black pepper — ingredients traditionally used to support metabolic rate, energy, focus and appetite as part of a reduced-calorie diet and regular exercise.

What is inside every serving of Burn XT?

A 2-capsule serving supplies 700 mg acetyl-L-carnitine HCl, 450 mg green tea leaf extract (98% polyphenols, 45% EGCG, 75% catechins), 270 mg natural caffeine, 50 mg Capsimax cayenne pepper extract and 5 mg BioPerine black pepper extract (95% piperine). Each bottle holds 60 veggie capsules.

How do I take Burn XT?

For the first week take 1 capsule once a day with a meal and a large glass of water to assess tolerance. After that, take 1 capsule twice a day with meals; experienced users may take 2 capsules twice a day. Do not exceed 4 capsules in 24 hours and avoid taking it within 6 hours of sleep.

How many bottles should I order?

Because a thermogenic works best used consistently for at least 60 days alongside diet and exercise, most people choose the 3- or 6-bottle package so they don’t run out mid-routine. The 6-bottle option is the best value and ships free within the U.S.

Is Burn XT a one-time purchase?

Yes. Every Burn XT order on this page is a one-time purchase with no subscription, no auto-billing and no hidden charges of any kind.

Who should not take Burn XT?

Burn XT is only intended for healthy adults 18 and over. It is not suitable if you are caffeine sensitive, pregnant or nursing, or have a medical condition, and it should not be combined with other caffeine sources. If you take medication or have any health concern, speak with your doctor before use.

Six-bottle best-value package of Burn XT thermogenic fat burner

Give your effort a little more fuel.

Join the people who’ve made Burn XT part of their diet-and-training routine for thermogenic, energy and appetite support. A transparent, fully dosed label, protected by a 60-day money-back guarantee — and the six-bottle bundle is the best value, with free U.S. shipping.

Order Burn XT Now

Burn XT: a thermogenic fat burner built to fuel the work you put in.