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Stimulant-Free Fat Metaboliser Capsules
Most fat burners give you caffeine and call it science. You feel wired for an hour, crash by midday, and wonder why nothing's actually changing.
Fat doesn't just disappear because you're stimulated. It has to be released from your cells, transported to your mitochondria, and burned for energy. That's a biological process — and it needs the right support.
Fat Metaboliser is built around that process. No caffeine. No stimulants. Just the nutrients your body needs to mobilise stored fat and burn it properly
Allergen information: No allergens in this product. Manufactured in a facility that handles fish, nuts, celery and soy
In stock! Ships within 1-2 business days.
Science-backed
Vegan friendly
Made in the UK
Free shipping
Any issues? We'll make it right

Stimulant-Free Fat Metaboliser Capsules
Your body already knows how to burn fat, we just help it do it
Discover the
Fat Metaboliser Benefits
Boost Fat Burning
Achieve a leaner body without relying on willpower alone. See real change in the mirror
Control Cravings
No more constant snacking or endless willpower battles. Feel full, satisfied and in control so you can stay on track effortlessly
Increased Energy
Wake up energised and ready to take on the day. Feel more alive, more focused and more confident in every part of your life
Balanced Metabolism
Support a body that works with you, not against you. Keep your energy stable, your mood steady, and your fat burning running smoothly
Reduce Fat Storage
See lasting change, not temporary results. Help your body to process fat so you stay leaner for longer
Discover the powerful natural ingredients that make our formula effective.
Our Ingredients

Acetyl-L-Carnitine

Decaffeinated Green Tea Extract

Olive Leaf Extract

Inulin (Chicory Root Fibre)

Choline Bitartrate

Chromium Picolinate

Black Pepper Extract
What people
are saying
Peter GeorgeI've lost 3.5 kg in 7 weeks, I turn 60 this year and have been wanting to shift some weight to stay as active as possible for as long as possible with my grandchildren.
I haven't changed my diet at all, I'm not as hungry and am convinced these are burning fat, down to a 34" Waist already!
Energy levels are unchanged, if anything I feel lighter on my feet.
Would strongly recommend, it's made losing weight easy for me.
Trevor JonesPersonal TrainerPart of my everyday routine now. Summers coming and Im confident this 55yr old body will be defined because of this product. Reccomended it to everyone (except the lads im going away with) 😘
MechelleGreat product that works without side effects.
Makes me feel less hungry and prevents me from snacking. Definitely worth trying if you’re after fat loss or watching your weight. 👍👍👍
Martin O'BoyleFor me, the Fat Metaboliser capsules 'turbo charge' fat loss when you're training; counting calories as opposed to when you're operating alone. I'm impressed!
Mary ClancyI have checked the ingredients and they were exactly what I wanted and suitable for me
The fat metabolisers are working for me - easy to take - no problems what’s so ever and I would recommend to other buyers who want to receive a positive result
I would buy again from this company
James HiltonAbsolutely love this product I was sceptical at first but having been taking them for 6 weeks now I’ve noticed a big difference after 2 weeks I started noticing weight loss & found myself not being as hungry. I’ve found more energy & sleep patterns have improved also. First time in years I’ve been at a happy weight really recommend this product
The Science Behind
Fat Metaboliser
The Problem
Trying to lose fat and getting nowhere
Most people trying to lose fat are doing the right things. Eating better. Moving more. Trying harder. And still the results don't come the way they should.
This isn't a willpower problem. It's a biology problem.
Stored body fat doesn't just disappear because you want it to. It has to go through a specific sequence of biological steps before it can be burned for energy. Miss any step in that sequence and the fat either stays where it is or gets put straight back into storage.
Most fat burners ignore this entirely. They give you caffeine, which makes you feel like something is happening, and call it a formula. We don't.
Our Approach
Why a single ingredient isn't enough
Acetyl-L-Carnitine is the most well-known ingredient in stimulant-free fat metabolism supplements. It's also the most misunderstood.
ALCAR is a transporter. Its job is to carry fatty acids into the mitochondria, the part of your cells where fat is actually burned for energy. But here's what most brands won't tell you: if the fat hasn't been mobilised first, ALCAR has nothing to transport. And if the metabolic conditions aren't right, the mitochondrial gate stays closed regardless of how much ALCAR is present.
A taxi with no passengers and a congested road goes nowhere.
Fat Metaboliser is built around three steps that work in sequence. Each one makes the next one possible.
Step 1
The Passengers
Before fat can be burned it has to be released. Stored body fat exists as triglycerides locked inside fat cells. Lipolysis, the process of breaking those triglycerides down into free fatty acids, has to happen first.
EGCG supports this process by inhibiting an enzyme called COMT, which normally breaks down noradrenaline. Noradrenaline is one of the key hormonal signals that tells fat cells to release their stored fat. More noradrenaline activity means more fat mobilisation.
Oleuropein from olive leaf extract works through complementary pathways to further support the release and availability of fatty acids in the bloodstream.
Critically, we use decaffeinated green tea extract. Most fat burners use caffeinated green tea to generate a stimulant effect that makes you feel like something is working. We removed the caffeine and kept the EGCG. Because we're interested in what's actually happening biologically, not what you feel for an hour.
Without this step, fatty acids never leave the fat cells. The taxi sits empty.
Step 2
The Road
Getting fat out of storage isn't enough on its own. The body constantly makes decisions about whether to burn fat or store it, and those decisions are governed by metabolic signals. Primarily insulin, malonyl-CoA and the gut-liver axis.
When blood glucose is unstable, insulin spikes. Elevated insulin drives malonyl-CoA production, which directly inhibits CPT-I, the molecular gate on the mitochondrial membrane that controls whether fatty acids can enter and be burned. High insulin doesn't just promote fat storage. It actively blocks fat burning at the cellular level.
Chromium contributes to normal macronutrient metabolism and supports healthy blood glucose regulation. Stable blood glucose means lower insulin, less malonyl-CoA, and a CPT-I gate that stays open. It also means fewer energy crashes and fewer cravings driven by blood sugar swings.
Choline contributes to normal lipid metabolism and supports healthy liver function. The liver is central to fat processing, it packages and exports fat into circulation for use. Without sufficient choline, fat accumulates in the liver rather than being exported. Choline keeps that pathway clear.
Inulin from chicory root feeds butyrate-producing gut bacteria. Butyrate activates AMPK, a cellular energy sensor that further suppresses malonyl-CoA production and promotes fat oxidation. There is a direct, established gut-to-mitochondria signalling pathway here. Most fat burner brands have never heard of it.
Piperine from black pepper extract inhibits the metabolic enzymes that would otherwise break down the other ingredients before they reach circulation. It enhances the bioavailability of everything else in the formula, making each ingredient work harder.
Without this step, the metabolic conditions that allow fat to be burned efficiently never exist. The road stays congested regardless of how many taxis you send.
Step 3
The Taxi
Once fatty acids have been mobilised and the metabolic conditions are right, Acetyl-L-Carnitine (ALCAR) does what it was designed to do.
Free fatty acids can't cross the inner mitochondrial membrane on their own. ALCAR binds to them and physically transports them through a process known as the carnitine shuttle. Once inside the mitochondria, the fatty acids undergo beta-oxidation, producing ATP, which is the body's energy molecule. This is where fat becomes energy.
Most standalone carnitine supplements don't work because the passengers were never loaded and the road was never clear. The taxi was always capable. The rest of the formula is what makes it matter.
We dose ALCAR at 1000mg per serving. This is a meaningful, research-relevant amount. Not a token inclusion to justify a label claim.
Scientific References
Acetyl-L-Carnitine
- Stephens FB, Constantin-Teodosiu D, Greenhaff PL. New insights concerning the role of carnitine in the regulation of fuel metabolism in skeletal muscle. J Physiol. 2007 Jun 1;581(Pt 2):431-44. doi: 10.1113/jphysiol.2006.125799. Epub 2007 Mar 1. PMID: 17331998; PMCID: PMC2075186.
- Bremer J. Carnitine--metabolism and functions. Physiol Rev. 1983 Oct;63(4):1420-80. doi: 10.1152/physrev.1983.63.4.1420. PMID: 6361812.
- Pekala J et al. L-carnitine--metabolic functions and meaning in humans life. Curr Drug Metab. 2011 Sep;12(7):667-78. doi: 10.2174/138920011796504536. PMID: 21561431.
Choline
- Zeisel SH, da Costa KA. Choline: an essential nutrient for public health. Nutr Rev. 2009 Nov;67(11):615-23. doi: 10.1111/j.1753-4887.2009.00246.x. PMID: 19906248; PMCID: PMC2782876.
- EFSA NDA Panel (EFSA Panel on Dietetic Products, Nutrition and Allergies), 2016. Scientific opinion on Dietary Reference Values for choline. EFSA Journal2016;14(8):4484, 70 pp. doi:10.2903/j.efsa.2016.4484
- Corbin KD, Zeisel SH. Choline metabolism provides novel insights into nonalcoholic fatty liver disease and its progression. Curr Opin Gastroenterol. 2012 Mar;28(2):159-65. doi: 10.1097/MOG.0b013e32834e7b4b. PMID: 22134222; PMCID: PMC3601486.
Chromium
- Anderson RA. Chromium, glucose intolerance and diabetes. J Am Coll Nutr. 1998 Dec;17(6):548-55. doi: 10.1080/07315724.1998.10718802. PMID: 9853533.
- EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA); Scientific Opinion on the substantiation of health claims related to chromium and contribution to normal macronutrient metabolism (ID 260, 401, 4665, 4666, 4667), maintenance of normal blood glucose concentrations (ID 262, 4667), contribution to the maintenance or achievement of a normal body weight (ID 339, 4665, 4666), and reduction of tiredness and fatigue (ID 261) pursuant to Article 13(1) of Regulation (EC) No 1924/2006. EFSA Journal2010;8(10):1732. [23 pp.]. doi:10.2903/j.efsa.2010.1732
- Cefalu WT, Hu FB. Role of chromium in human health and in diabetes. Diabetes Care. 2004 Nov;27(11):2741-51. doi: 10.2337/diacare.27.11.2741. Erratum in: Diabetes Care. 2013 Sep;36(9):2872. PMID: 15505017.
Decaffeinated Green Tea Extract / EGCG
- Hursel R, Viechtbauer W, Westerterp-Plantenga MS. The effects of green tea on weight loss and weight maintenance: a meta-analysis. Int J Obes (Lond). 2009 Sep;33(9):956-61. doi: 10.1038/ijo.2009.135. Epub 2009 Jul 14. PMID: 19597519.
- Wolfram S. Effects of green tea and EGCG on cardiovascular and metabolic health. J Am Coll Nutr. 2007 Aug;26(4):373S-388S. doi: 10.1080/07315724.2007.10719626. PMID: 17906191.
- Dulloo AG et al. Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans. Am J Clin Nutr. 1999 Dec;70(6):1040-5. doi: 10.1093/ajcn/70.6.1040. PMID: 10584049.
- Roberts et al. (2015). The effect of a decaffeinated green tea extract formula on fat oxidation, body composition and exercise performance. Journal of the International Society of Sports Nutrition. 12. 1. 10.1186/s12970-014-0062-7.
Inulin from Chicory Root
- Shoaib M et al. Inulin: Properties, health benefits and food applications. Carbohydr Polym. 2016 Aug 20;147:444-454. doi: 10.1016/j.carbpol.2016.04.020. Epub 2016 Apr 8. PMID: 27178951.
- Van der Beek CM et al. The prebiotic inulin improves substrate metabolism and promotes short-chain fatty acid production in overweight to obese men. Metabolism. 2018 Oct;87:25-35. doi: 10.1016/j.metabol.2018.06.009. Epub 2018 Jun 25. PMID: 29953876.
- Ruderman NB, Saha AK, Kraegen EW. Minireview: malonyl CoA, AMP-activated protein kinase, and adiposity. Endocrinology. 2003 Dec;144(12):5166-71. doi: 10.1210/en.2003-0849. Epub 2003 Sep 18. PMID: 14500570.
Olive Leaf Extract / Oleuropein
- Omar SH. Oleuropein in olive and its pharmacological effects. Sci Pharm. 2010 Apr-Jun;78(2):133-54. doi: 10.3797/scipharm.0912-18. Epub 2010 Apr 23. PMID: 21179340; PMCID: PMC3002804.
- Lockyer et al. (2012). Olive leaf phenolics and cardiovascular risk reduction: Physiological effects and mechanisms of action. Nutrition and Aging. 1. 125-140. 10.3233/NUA-2012-0011.
- Barbaro B et al. Effects of the olive-derived polyphenol oleuropein on human health. Int J Mol Sci. 2014 Oct 14;15(10):18508-24. doi: 10.3390/ijms151018508. PMID: 25318054; PMCID: PMC4227229.
- Mikami T et al. Olive leaf extract prevents obesity, cognitive decline, and depression and improves exercise capacity in mice. Sci Rep. 2021 Jun 14;11(1):12495. doi: 10.1038/s41598-021-90589-6. PMID: 34127683; PMCID: PMC8203715.
Black Pepper Extract / Piperine
- Shoba G et al. Influence of piperine on the pharmacokinetics of curcumin in animals and human volunteers. Planta Med. 1998 May;64(4):353-6. doi: 10.1055/s-2006-957450. PMID: 9619120.
- Bhardwaj RK et al. Piperine, a major constituent of black pepper, inhibits human P-glycoprotein and CYP3A4. J Pharmacol Exp Ther. 2002 Aug;302(2):645-50. doi: 10.1124/jpet.102.034728. PMID: 12130727.
- Chaudhri SK, Jain S. A Systematic Review of Piperine as a Bioavailability Enhancer. J. Drug Delivery Ther. [Internet]. 2023 Apr. 15 [cited 2026 May 27];13(4):133-6.
We believe in the power of science
Everbright Labs was born out of frustration with an industry that often prioritises marketing over meaningful science. After years of working with patented innovations and watching trend-led formulations dominate shelves, co-founders Paul Cannon (HND Applied Biology) and Adam Donley (First class hons MEng in Chemical Engineering with Chemistry) decided to build a supplement company that put evidence and intent first. Both founders work in research & development and have and have contributed to patented products.
Their passion for sports, performance and health, combined with their technical backgrounds, inspired them to develop products they could honeslty stand behind
FAQs
Please read our FAQs page to find out more.
When will I start seeing results?
Most customers notice better energy, appetite control, and focus within the first 2-3 weeks of consistent use. Visible results typically follow within 4-6 weeks, when paired with a balanced diet and active lifestyle
Do I need diet or exercise for it to work?
No extreme dieting is needed, but pairing our Fat Metaboliser with a balanced diet and light activity will help you achieve the best, and most sustainable results
Will this make me feel jittery or wired life other fat burners?
Not at all. Our formula is completely stimulant free. No caffeine, no crash and no side effects. You'll feel steady, natural energy throughout the day
How do I take it?
Take 4 capsules daily, split into 2 capsules in the morning and 2 capsules either before lunch or before exercise
Can I take this with other supplements?
In most cases, yes. Our Fat Metaboliser pairs well with multivitamins or performance supplements. If you're taking prescribed medication, check with your GP before starting. Do not consume more than 800mg of EGCG per day
Does it contain any allergens?
Our Fat Metaboliser doesn't contain any allergens as ingredients. However, it is produced in a facility that also handles fish, nuts, celery and soy. Trace amounts may be present. If you have severe allergies, please consult your doctor before use
Is it suitable for vegans or vegetarians?
Yes, our Fat Metaboliser is completely suitable for both vegans and vegetarians. It uses plant-based HPMC capsules and contains no animal-derived ingredients

