Discover a wide selection of fat burners designed to support your fitness journey. This collection includes thermogenic supplements, metabolism boosters, and appetite control formulas to help you burn calories more efficiently and maintain energy throughout your day. Perfect for those aiming to enhance weight loss results and improve body composition when combined with a balanced diet and regular exercise.
EHP Labs EHP Labs OxyShred 168g
USN Diet Fuel Vegan
TWP Diced V2- Stim Fat Burner
Whether you're deep into a cutting phase or simply looking to shed some stubborn body fat, the right fat burner supplement can make a real difference to your progress. At My Gym Supplements, we stock a carefully selected range of the best fat burners in the UK — from powerful thermogenics to stimulant-free options — designed to support every training goal and lifestyle.
Fat burners are dietary supplements formulated to support weight management and fat loss. They work alongside a calorie-controlled diet and regular exercise — not as a replacement for either. Understanding how they function helps you choose the right product and set realistic expectations for your results.
Most quality fat burner supplements target fat loss through three primary pathways, often working in combination within a single formula.
Thermogenesis is the process of raising your body temperature slightly, which increases the number of calories you burn — both at rest and during exercise. Ingredients like caffeine anhydrous, cayenne pepper, and green tea extract (EGCG) are the most widely used thermogenic compounds, and you'll find them in most stimulant-based fat burners.
Appetite suppression works by reducing hunger signals, making it significantly easier to stay in a calorie deficit without battling constant cravings. Glucomannan, 5-HTP, and chromium are among the most evidence-backed ingredients in this category — glucomannan is the only supplement permitted to carry an EU-approved appetite suppression claim.
Energy and focus enhancement support harder, more productive training sessions even when you're eating less. Caffeine anhydrous, L-Tyrosine, and L-Theanine are common here, providing clean mental clarity and physical drive without the crash that comes from lower-quality stimulants.
In short: the best fat burners don't just burn fat — they help you train harder, eat less, and stay consistent with your goals.
Not all fat burner supplements work the same way. Depending on your sensitivity to stimulants, your training schedule, and your specific weight loss goals, different formats and formulas will suit different people. Our range covers the full spectrum so you can find exactly what works for you.
Choosing between a stimulant-based and a stimulant-free fat burner is one of the most important decisions you'll make in this category — and it largely comes down to when you train and how your body responds to caffeine.
Stimulant-based fat burners are best suited to gym-goers who train in the morning or afternoon and want a meaningful energy boost alongside their thermogenic support. Typical ingredients include caffeine anhydrous, green tea extract, cayenne pepper, and citrus aurantium. They deliver a stronger thermogenic effect, heightened focus, and improved performance during training. The main consideration is timing: avoid taking them within 4–5 hours of bedtime to prevent disrupted sleep.
Stim-free fat burners are the smarter choice for evening trainers, caffeine-sensitive individuals, or those who simply want appetite control and metabolic support without stimulant compounds. They tend to rely on glucomannan, 5-HTP, CLA, chromium, and decaffeinated green coffee extract. While they typically produce a milder energy effect, they carry none of the risks associated with caffeine — no jitters, no insomnia, and no dependency over time.
If you're unsure where to start, a stimulant-based fat burner taken before your morning or lunchtime workout is a solid entry point. If you train in the evenings or already consume caffeine from other sources, a stim-free formula is the more balanced option.
Our fat burner range includes capsules, tablets, and powders — and the right form really comes down to your routine. Capsules and tablets are the most convenient option for daily use, easy to take on the go with no prep required. Powders offer more flexibility in dosing and are a popular choice for those who prefer to mix their supplement into a pre-workout shake. If you already use a pre-workout supplement as part of your training stack, a powder fat burner can integrate seamlessly into your daily routine.
These are the standout products from our fat burners collection — trusted by gym-goers across the UK and consistently rated for their ingredient quality, effectiveness, and value for money.
One of the most recognisable fat burners on the UK market, Grenade Thermo Detonator is a high-stimulant thermogenic packed with green tea extract, caffeine, cayenne, and bitter orange. It's designed to fire up your metabolism, increase energy expenditure, and sharpen focus during training. Ideal for men and women who want a proven, potent thermogenic to support their cutting phase.
A globally recognised fat-burning powder, EHP Labs OxyShred combines thermogenic ingredients with immune support and mood-boosting compounds. It's available in a wide range of flavours, making it one of the most enjoyable fat burners to take daily. Ideal for anyone who prefers a flavoured powder format and wants a blend that goes beyond pure thermogenics.
From one of the UK's most trusted supplement brands, Applied Nutrition ABE Shred-X delivers a high-stimulant formula in convenient veg capsule form. It combines caffeine, L-carnitine, green tea, and cayenne pepper for a multi-mechanism approach to fat loss. Ideal for experienced gym-goers who prefer capsules and want a no-compromise thermogenic formula.
A premium thermogenic in powder format, Efectiv Nutrition Burn is a well-rounded fat burner designed for those who want clean energy alongside thermogenic support. With a focus on quality ingredients and clear dosing, it suits those who value transparency in their supplements. Ideal for those who want a daily thermogenic powder with reliable ingredient profiling.
For those who need a caffeine-free option without sacrificing results, EHP Labs OxyShred Non-Stim delivers the same trusted OxyShred formula minus the stimulants. It supports fat metabolism, appetite management, and mood — making it a strong choice for evening training sessions. Ideal for caffeine-sensitive individuals, evening gym sessions, and women who prefer a gentler formula.
The terms 'fat burners for women' and 'fat burners for men' are widely searched in the UK — and for good reason. While the core fat-burning mechanisms remain the same, the challenges men and women face when cutting body fat can differ meaningfully, particularly around hormonal fluctuations, appetite patterns, and muscle preservation goals.
Fat burners for women tend to prioritise appetite suppression, mood support, and hormone balance over raw thermogenic power. You'll typically find glucomannan, 5-HTP, B vitamins, CLA, and chromium as the lead ingredients, often in stim-free or low-stimulant formulas. The logic is sound: women can experience stronger hormonal-driven food cravings during a calorie deficit, making appetite management the most valuable tool in the formula.
Fat burners for men more commonly lean into thermogenesis, sustained energy output, and muscle preservation — reflecting the typical priorities of male gym-goers in a cutting phase. Caffeine, green tea extract, cayenne pepper, L-carnitine, and citrus aurantium feature heavily, delivering higher metabolic activation and training performance. These formulas are generally suitable for women too, provided the stimulant content is within a comfortable tolerance range.
The most practical takeaway: choose based on your goals and caffeine tolerance rather than the label alone. Many products marketed as fat burners for women work equally well for men, and most standard thermogenics are suitable for women who train intensely and handle stimulants comfortably.
With so many fat burner supplements available in the UK, picking the right one starts with understanding your own training style, caffeine tolerance, and primary objective. The sections below break down the most common use cases to help you narrow it down.
For Weight Loss & Cutting
If your primary goal is losing body fat — whether you're coming off a bulk or starting from scratch — a thermogenic fat burner paired with a calorie deficit is the most effective combination. Look for products containing caffeine, green tea extract, and cayenne pepper, which work together to raise metabolic rate and support fat oxidation during both rest and exercise. Remember, fat burner supplements are designed to support your effort, not replace the discipline of consistent training and nutrition.
If you struggle with energy levels during a cut — which is common when eating in a calorie deficit — a stimulant-based fat burner can double as an effective training aid. Many of the best fat burners in the UK contain L-Tyrosine and L-Theanine alongside caffeine, which provide clean, focused energy without the crash. Timing is key: take your fat burner 20–30 minutes before training for maximum performance benefit. Make sure you stay on top of fluid intake too — pairing your supplement routine with a quality hydration supplement helps maintain performance and electrolyte balance during intense sessions.
Appetite management is one of the most commonly cited reasons women turn to fat burner supplements. If food cravings and hunger between meals are your main obstacles to staying in a deficit, look for stim-free formulas containing glucomannan — a natural dietary fibre that expands in the stomach to promote feelings of fullness. Glucomannan is the only supplement permitted to carry an official EU appetite suppression claim, making it a credible and well-evidenced ingredient to prioritise.
Ingredient quality and transparency are the most reliable indicators of whether a fat burner supplement is worth your money. Reputable products list exact doses for every active ingredient — be cautious of any formula that hides behind a proprietary blend without disclosing individual amounts.
Caffeine anhydrous is the most widely used thermogenic ingredient in the category. It increases metabolic rate, supports fat oxidation, and boosts energy and focus during training. Look for 150–300mg per serving as an effective, well-tolerated dose for most people.
Green tea extract (EGCG) delivers catechins that enhance fat oxidation, particularly during exercise. It works synergistically with caffeine and is most effective in a standardised extract form, typically at 200–400mg per serving.
Glucomannan is the go-to appetite suppression ingredient, absorbing water in the stomach to increase feelings of satiety. To be effective, you need at least 3g per day — check the label carefully, as some products underdose this ingredient significantly.
L-carnitine supports the transport of fatty acids into the mitochondria, where they're burned for energy. It's particularly useful during a calorie deficit to ensure your body is efficiently using stored fat as fuel, typically at 1–3g per serving.
Cayenne pepper (capsaicin) raises body temperature and increases calorie expenditure through thermogenesis. Look for Capsimax®, a standardised and patented form of cayenne extract found in several of the premium fat burners in our range.
Chromium helps regulate blood sugar levels, which plays a supporting role in controlling appetite and reducing cravings between meals. A daily intake of around 200mcg is typical in well-formulated fat burner supplements.
A well-formulated fat burner will combine several of these ingredients to target multiple fat loss mechanisms at once. Single-ingredient products can be effective but tend to have a narrower range of benefits.
Why Choose My Gym Supplements for Your Fat Burner?
At My Gym Supplements, we've built our range around quality brands that serious UK gym-goers actually trust. Every fat burner in our collection comes from established manufacturers with transparent ingredient lists and proven formulas — no mystery blends or inflated claims. We stock brands including Grenade, EHP Labs, Applied Nutrition, Efectiv Nutrition, and more, giving you genuine choice across stimulant and stim-free options, capsules and powders, and a range of price points to suit every budget.
Beyond the range itself, we offer fast UK delivery, competitive pricing, and a straightforward returns policy — so you can shop with confidence. Whether you're new to fat burner supplements or restocking a product you already know works, My Gym Supplements makes it easy to get what you need, when you need it.
Here are the most common questions from customers shopping our fat burners range in the UK — answered honestly and without the marketing fluff.
Yes — but with an important caveat. Fat burner supplements work by supporting your body's natural fat-burning processes through thermogenesis, appetite suppression, and energy enhancement. They are not standalone solutions and will not produce results without a calorie deficit. When used consistently alongside a structured training programme and a controlled diet, quality fat burners can meaningfully accelerate your progress.
Absolutely. If you're sensitive to caffeine, stim-free fat burners are specifically formulated for you. Products like EHP Labs OxyShred Non-Stim deliver thermogenic and appetite-suppressing benefits without any caffeine or stimulant compounds. Alternatively, you can start with a low-stimulant product and assess your tolerance before increasing the dose.
For stimulant-based fat burners, the optimal time is 20–30 minutes before your morning or afternoon workout. This maximises the thermogenic and energy benefits during exercise. Avoid taking stimulant fat burners within 4–5 hours of sleep to prevent disruption to your rest and recovery. Stim-free fat burners can be taken at any time of day, including in the evenings before training.
In most cases, yes. The majority of fat burner supplements in our range are suitable for both men and women. Products marketed specifically as fat burners for women generally prioritise appetite suppression and mood support over high stimulant content — but there's no biological reason they can't be used by men, and vice versa. Choose based on your goals and caffeine tolerance rather than the label alone.
All products in our range are legally sold in the UK and comply with UK food supplement regulations. As with any supplement, always read the label carefully, follow the recommended dosage, and avoid exceeding the stated daily intake. If you have a pre-existing medical condition, are pregnant or breastfeeding, or are currently taking medication, consult your GP before starting any new supplement.
Most users report noticeable improvements in energy, appetite control, and training performance within the first week of use. Visible changes in body composition typically take 4–8 weeks, depending on consistency with diet and training. Fat burners work best when used as part of a structured plan — results will always reflect the effort put in outside the capsule.
Our fat burners range has everything you need to support a leaner, more defined physique — whether you're cutting for competition, prepping for summer, or simply looking to shift some stubborn body fat. Browse the full collection above, choose the product that fits your goals, and back it with the training and nutrition it deserves.