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Stim-free fat-burning + muscle-building support for lean body composition*

  • Promotes fat breakdown and mobilization*
  • Enhances calorie burning during exercise*
  • Helps you lose fat and keep muscle*
Upgrade Yourself®with Performance Lab® SPORT Burn
  • icon-features-allergen-free


  • icon-features-banned-substance-free


  • icon-features-gluten-free


  • icon-features-soy-free


  • Synthetic

  • Caffeine

  • icon-features-non-irradiated


  • icon-features-non-gmo


  • Prebiotic

  • icon-features-nutrigenesis

    GTF Chromium

  • Vegan

  • icon-features-gmp-certified


Burn more fat than exercise alone while preserving lean muscle

Many fat loss supplements supply caffeine megadoses and harsh synthetics. They help burn fat, but may not be healthy, comfortable or sustainable.

Performance Lab® SPORT Burn is a smarter design: A 100% stimulant-free formula that helps burn more fat than exercise alone while enhancing lean muscle.

Take SPORT Burn to boost multiple stim-free fat loss pathways, including energy expenditure, fat breakdown, lean muscle and more.

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Designed for Performance

  • Stimulates fat-splitting enzymes and fat-burning hormones*
  • Helps balance blood sugar, regulate appetite and limit fat storage*
  • Increases energy expenditure for peak calorie-burning during exercise*
  • Preserves muscle during fasted and non-fasted training*

Healthy for Daily Use

  • Designed to control weight in conjunction with diet and exercise*
  • Ultramodern fat burners from Forslean®, Capsimax®, BioPerine®, NutriGenesis®
  • Stim-free thermogenesis; made to minimize typical burner side effects*
  • Plant-based, prebiotic-infused NutriCaps® from pullulan (fermented tapioca)
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Supplement Facts
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HMB (ß-Hydroxy ß-Methylbutyrate), 1000 mg

Training on a calorie deficit or while fasting helps burn stored fat, but may also break down muscle.

HMB (Beta-hydroxy beta-methylbutyrate) is an ultramodern fat loss nutrient that maximizes exercise’s fat-burning benefits while minimizing its muscle-catabolizing drawbacks. HMB works by:

  1. Neutralizing muscle-damaging enzymes that are generated during fasted training;
  2. Enhancing strength, maximal oxygen consumption and acid buffering to boost training performance;
  3. Promoting muscle growth by increasing protein synthesis within the mTOR pathway;
  4. Encouraging the body to burn stored fat as fuel instead of muscle during calorie restriction

SPORT Burn HMB’s muscle-sparing + muscle-building + muscle recovery bioactivities combine to support ideal body composition in conjunction with training on a calorie deficit.

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ForsLean® Coleus Forskohlii, 250 mg

Coleus Forskohlii root is the only natural source of Forskolin. Forskolin activates an enzyme that increases cAMP, a signaling compound that promotes lean body composition by:

  • Optimizing hormonal cell messengers that regulate metabolism, thermogenesis and anabolic muscle growth, including thyroid hormone and testosterone;
  • Activating the enzyme protein kinase, which stimulates lipase to catalyze the breakdown of triglycerides: The building blocks of body fat
Forskolini Action

SPORT Burn ForsLean® supports fat loss and muscle gain at the same time:

Forskolin loss/gain
ForsLean® Coleus Forskohlii

SPORT Burn ForsLean® may help reduce body fat and increase lean body mass:

SPORT Burn ForsLean® is Coleus Forskohlii standardized to 10% forskolin. ForsLean® nutrition technology is patented and research-backed for shifting body composition away from fat and towards lean muscle.

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Capsimax® Cayenne Pepper Extract, 50 mg

Cayenne pepper’s active capsaicinoids stimulate the adrenals to release epinephrine and norepinephrine. These hormones have been shown to:

  • Stimulate beta adrenergic receptors that signal cells to increase energy expenditure, which maximizes calorie-burning during exercise;
  • Signal for hormone sensitive lipase to promote fat breakdown (lipolysis), fat mobilization and fat oxidation before and after exercise

Cayenne peppers’ capsaicin’s metabolic effects are achieved without stimulants or related side effects, such as increased heart rate and blood pressure.

SPORT Burn Capsimax® is chili pepper extract at 2% capsaicinoids. Its buffered OmniBead™ microsphere technology eliminates the gastric burning associated with hot peppers.

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SPORT Burn Belly Fat Stack

Capsimax® Cayenne Pepper + Forslean® Coleus Forskohlii

Hormone-induced lipolysis (fat burning) appears to be more pronounced in visceral fat (belly fat), in part due to the fat-burning activity of cAMP.

SPORT Burn stacks Cayenne’s pro-hormone activity and Coleus Forskohlii’s pro-cAMP activity to encourage fat burning in visceral fat tissues.

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NutriGenesis® GTF Chromium, 60 mcg

GTF Chromium is a complex of molecules, including trace mineral chromium, found in whole foods like brewer’s yeast. GTF Chromium helps fat loss by:

  1. Enhancing the action of insulin, helping with insulin resistance and fat storage;
  2. Supporting efficient metabolism of dietary sugars, fats and proteins;
  3. Regulating appetite by helping maintain blood sugar already within normal range

Research suggests GTF Chromium promotes lean body composition: One review of 11 studies linked chromium supplementation to significant bodyweight reductions.

Performance Lab® NutriGenesis® GTF Chromium is a clean, cultivated mineral form complexed with cofactors for peak bioavailability and superior weight loss support.

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BioPerine® Black Pepper Extract, 2.5 mg


Black pepper supplies an active ingredient called piperine that helps weight control by:

  • Optimizing thermogenesis to increase energy expenditure;
  • Inhibiting adipogenesis: the formation of new fat cells

Beyond its direct fat loss support, piperine has been shown in research to improve nutrient absorption – amplifying potency of the entire SPORT Burn formula.

SPORT Burn BioPerine® is black pepper extracted to 95% piperine; raw black pepper is only 3-9% piperine. BioPerine® is patented to increase absorption, bioavailability and utilization of nutrients.

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Who should take Performance Lab® SPORT Burn?

Performance Lab® SPORT Burn supports all weight control programs that include healthy diet and regular exercise. Performance Lab® SPORT Burn is customized, however, to optimize the fat-loss and muscle-gain results of fasted training.

What is fasted training? †

Fasted training refers to training on an empty stomach. Some research suggests that while in a fasted state, the body burns more fat during exercise. Fasted training has also been suggested to preferentially promote lipolysis in areas of stubborn visceral fat, such as around the abdomen in men and hips and posterior in women. These fat loss benefits may be attributed to fasting’s impact on insulin levels.

When food is consumed, blood sugar (glucose) rises. Insulin is released from the pancreas to manage this blood sugar, helping to convert it for immediate energy and store it (as glycogen) in muscles, fat and the liver as energy for later use. As part of these post-meal functions, insulin increases fat formation of fat while “turning off” lipolysis (fat breakdown).

After food is digested, the body enters a post-absorption state: Blood sugar and insulin levels both return to baseline because the stomach is empty. Exercising in this fasted state creates high energy demands, but the body has no glucose to use as fuel. Instead, during fasting the body burns through its glycogen stores – including visceral fat – to produce energy.

Possible drawbacks of fasted training include a reduction in exercise intensity and increased susceptibility to muscle and protein degradation. Performance Lab® SPORT Burn is designed to optimize fasted training results while minimizing these potential fasted training drawbacks.

† Fasted training should only be done under the close supervision of a healthcare professional.

How do I take Performance Lab® SPORT Burn?

For best results take 2-4 capsules 15 minutes prior to training.

How should I take other Performance Lab® supplements during fasted training?

Performance Lab® SPORT Pre and Performance Lab® Energy stack well with SPORT Burn, and may be taken 45-60 minutes prior to training. If training fasted, Performance Lab® SPORT BCAA should be taken intra-workout or post-workout only, to avoid breaking your fast. Other Performance Lab® supplements should be taken post-workout to best optimize the fat loss benefits of fasted training.

Is Performance Lab® SPORT Burn safe?

Like other Performance Lab® supplements, SPORT Burn is designed to be safe for long-term daily use, without the need for cycling. SPORT Burn achieves this by using pure, potent ingredients that are dosed appropriately and in line with clinical research. SPORT Burn’s clean formula design – free of GMOs, gluten, soy, colorants, preservatives and other additives – is also well-tolerated by the body, and safe for long-term use. SPORT Burn avoids the use of caffeine and stimulants, further strengthening its safety and tolerability profile.

Why is there no caffeine in Performance Lab® SPORT Burn?

Some fat loss supplements supply caffeine and other stimulants, which may help weight loss but may cause side effects related to blood pressure and heart rate. SPORT Burn is stimulant-free by design. Instead of caffeine, SPORT Burn enhances metabolic performance via non-stimulatory pathways. If you prefer stimulation in your fat loss program, SPORT Burn stacks seamlessly Performance Lab® Stim, which supplies performance-enhanced caffeine formulated for healthier daily use with fewer side effects.

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Performance Lab® SPORT Burn

Ready to sculpt your physique? Take Performance Lab® SPORT Burn to burn more fat and preserve more muscle while exercising.

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30-Day Performance Promise

Your first order of any Performance Lab® product is covered by our 30-day performance promise.

Put Performance Lab® Burn to the test for a full 30 days and if you don’t see results, we’ll refund your money. No questions asked.

Simply get in touch with a member of our Customer Care team to arrange the return of the empty bottle, and any unused bottles.

The Performance Lab® Performance Promise covers one box of any of our products, up to a maximum of three products per order.

Price Promise

SPORT Burn stacks well with…


Burn + Stim

SPORT Burn is a stim-free supplement. For those who prefer stimulation, SPORT Burn stacks perfectly with Performance Lab® Stim.

Stim adds performance-enhanced caffeine to SPORT Burn in 50 mg increments, giving you more precise control over intake.

Add Stim to SPORT Burn to get caffeine’s thermogenic and energizing weight loss benefits.

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Burn + Energy

Energy’s cell ATP energy support complements SPORT Burn’s Forslean®, which works together with ATP to enhance metabolism.

Energy also adds 2.5 mg BioPerine® to SPORT Burn’s 2.5 mg, doubling its research-backed thermogenic and metabolic support.

Take SPORT Burn + Energy for vitalized performance during exercise and superior fat loss results.

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Burn + MCT

Performance Lab® MCT targets fat loss pathways that augment SPORT Burn, including support for appetite control and calorie intake reduction.

Like SPORT Burn, MCT also holds specific benefits for fasted training: It raises ketone bodies that fuel brain cells during fasting.

Together, SPORT Burn + MCT help all fat loss programs, with specialized support for maintaining muscle mass and mental energy during keto and fasted training.

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Burn + Pre

SPORT Burn Capsimax® from cayenne peppers is a thermogenic nitric oxide (NO) booster. It augments SPORT Pre’s NO-boosting Setria® Performance Blend and Maritime Pine Bark Extract.

Take SPORT Burn + SPORT Pre for a muscle-pumping, muscle-preserving, fat-blasting sensory workout that shreds and defines your body without stimulants.

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Burn + Protein

SPORT Protein featuring Oryzatein® organic rice protein mixes easily into a rich chocolate shake that helps with appetite control across all weight loss programs.

In conjunction with exercise, SPORT Protein also helps pack on lean muscle mass that is preserved during fasted training by SPORT Burn’s HMB.

Take SPORT Burn + SPORT Protein as the ultimate fat-burning, muscle-building stack.

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The research and studies behind Performance Lab® SPORT Burn.

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Alon T, Bagchi D, Preuss HG. Supplementing with beta-hydroxy-beta-methylbutyrate (HMB) to build and maintain muscle mass: a review . Res Commun Mol Pathol Pharmacol. 2002;111(1-4):139-51.
Portal S, Eliakim A, Nemet D, Halevy O, Zadik Z. Effect of HMB supplementation on body composition, fitness, hormonal profile and muscle damage indices . J Pediatr Endocrinol Metab. 2010 Jul;23(7):641-50.
Zanchi NE, HMB supplementation: clinical and athletic performance-related effects and mechanisms of action . Amino Acids. 2011 Apr;40(4):1015-25. doi: 10.1007/s00726-010-0678-0. Epub 2010 Jul 6.
Nissen S, et al. Effect of leucine metabolite β-hydroxy-β-methylbutyrate on muscle metabolism during resistance-exercise training . Journal of Applied Physiology Published 1 November 1996 Vol. 81 no. 5, 2095-2104
Gallagher PM et al. Beta-hydroxy-beta-methylbutyrate ingestion, Part I: effects on strength and fat free mass . Med Sci Sports Exerc. 2000 Dec;32(12):2109-15.


Kavila C, et al. Coleus forskohlii: A comprehensive review on morphology, phytochemistry and pharmacological aspects . Journal of Medicinal Plants Research, Vol. 4(4) pp. 278-285, 18 February, 2010

Cayenne Pepper

Lejeune MP, Kovacs EM, Westerterp-Plantenga MS. Effect of capsaicin on substrate oxidation and weight maintenance after modest body-weight loss in human subjects . Br J Nutr. 2003 Sep;90(3):651-59.
Yoshioka M, Effects of Red-Pepper Diet on the Energy Metabolism in Men . J. Nutr. Sci. Vitaminol., 41, 647-656, 1995
Lejeune M. Effect of capsaicin on substrate oxidation and weight maintenance after modest body-weight loss in human subjects . British Journal of Nutrition. Volume 90, Issue 3. September 2003, pp. 651-659
Arner P. Catecholamine-induced lipolysis in obesity . Int J Obes Relat Metab Disord. 1999 Feb;23 Suppl 1:10-3.

Black Pepper

Ravindran PM. Black Pepper: Pepper Nigrum . Indian Institute of Spices Research. 2005.
Okumura Y, Narukawa M, Watanabe T. Adiposity suppression effect in mice due to black pepper and its main pungent component, piperine . Biosci Biotechnol Biochem. 2010;74(8):1545-9
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* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.