Best Fat Burner: 10 Supplements To Help You Lose Weight in 2025

Detailed Reviews of the Best Fat Burner Supplements

In the following sections, we’ll carefully review each option, providing a deeper look into the brand, what makes each product stand out, their cost, and how to reach their support team.

1. PhenQ – Best Fat Burner Overall

Overview

PhenQ is both supplied and manufactured by Wolfson Brands (UK) Limited, a trusted company established in 2005 with over a decade of leadership in the supplements industry.

Unique Features

PhenQ is formulated to tackle 5 key areas of your metabolism, making it a strong contender for the best natural fat burner. It helps shed excess fat, crush cravings, and support your natural energy. This can also lead to a more balanced mood and energy, giving you greater drive and motivation.

Pricing

• 1 month: $69.99 or $59.49 for subscribers
• 3 months: $139.99 or $118.99 for subscribers
• 5 months: $209.99 or $178.49 for subscribers

Customer Support Info

• [email protected]
• 888-643-8434

>>Buy PhenQ from the official website

2. Capsiplex Burn – Best for Stubborn Fat

Overview

Capsiplex Burn is produced by Wolfson Brands, a trusted global leader in health innovation established in 2005. Like PhenQ, Capsiplex Burn is among the brand’s top fat-burning dietary supplements.

Unique Features

Capsiplex Burn includes a blend of key herbs and nutrients that can boost thermogenesis, enhance workout strength, and increase your overall calorie burn. Plus, you can use it as a pre-workout on exercise days to improve your performance.

Pricing

• 1 month: $64.99
• 3 months: $129.99
• 5 months: $194.99

Customer Support Info

• [email protected]
• 888-823-5131

>>Check the best price for Capsiplex Burn

3. Hunter Burn – Best for Quick Results

Overview

Roar Ambition, founded in 2014 by Robert Parker, is a UK-based supplement company that manufactures Hunter Burn. The company is known for creating high-quality products specifically for athletes or those following a fitness program.

Unique Features

Hunter Burn excels at delivering quick fat-burning results while helping you keep your hard-earned muscle. Its low-stimulant formula, with no added caffeine, makes it a perfect choice if you’re sensitive to stimulants. And with six perfectly dosed ingredients, you expect benefits like effective appetite suppression and improved energy levels.

Pricing

• 1 month: $90
• 2 months: $180
• 4 months: $270

Customer Support Info

• [email protected]

>>Check out the best Hunter Burn deals here

4. PrimeShred – Best for Lean Muscle Gains

Overview

PrimeShred is made by Health Nutrition Limited, a reputable company based in Nottingham, United Kingdom. It was founded in 1999 by Andy Slack and operates as an online platform for nutritional products.

Unique Features

A no-nonsense but diverse fat-burning formulation in a vegetable capsule is what makes PrimeShred stand out. The blend of plant extracts, B-vitamins, and an amino acid can help you quickly achieve your lean physique goals by converting even the most stubborn stored fat into usable energy.

Pricing

• 1 month: $59.99 or $47.99 when you subscribe

Customer Support Info

• [email protected]
• 888-270-3240

>>Check the current prices for PrimeShred

5. CalmLean – Best Stimulant-Free Formula

Overview

CalmLean was launched by PrimeGENIX, a brand officially trademarked on April 1, 2021. PrimeGENIX itself was created by Leading Edge Health, a wellness company founded in 2001 that has been a leader in the health industry for over two decades, focusing on research-driven products.

Unique Features

CalmLean offers a unique, stimulant-free way to help you burn fat, lose weight, and achieve your ideal physique when combined with the ideal lifestyle. By taking just two capsules per day, you can fight fatigue and exhaustion with a surge of clean energy, allowing you to fully enjoy your favorite physical activities.

Pricing

• 1 month: $59 or $49 if you subscribe
• 3 months: $169
• 6 months: $319

Customer Support Info

• 866-698-6950

>>Buy CalmLean directly from PrimeGENIX

6. KetoCharge – Best for Keto Dieters

Overview

KetoCharge, like PhenQ and Capsiplex Burn, is made by Wolfson Brands (UK) Limited. This UK-based company, started in 2005, is well-known for creating health and fitness products following high GMP standards.

Unique Features

KetoCharge is targeted towards keto dieters, making the process of ketosis much easier and more manageable. It includes a special blend of slimming salts that help you get into ketosis and reduce the uncomfortable keto flu symptoms like headaches, fatigue, nausea, and brain fog.

Pricing

• 1 month: $59.99
• 3 months: $119.99
• 5 months: $179.99

Customer Support Info

• [email protected]
• 970-671-7706

>>Check the best price for KetoCharge

7. Instant Knockout Cut – Best Fat Burner for Men

Overview

Instant Knockout Cut shares the same manufacturer as Hunter Burn: Roar Ambition. It is a UK-based supplement company founded in 2014 by Robert Parker.

Unique Features

Instant Knockout Cut is Roar Ambition’s answer to active men, athletes, and bodybuilders who need an all-around fat burner. However, it’s not just for pros. Instant Knockout Cut helps anyone looking to lose stubborn fat in a stress-free way, making it a strong contender for the best belly fat burner for men.

Pricing

• 1 month: $65
• 2 months: $130
• 4 months: $195

Customer Support Info

• [email protected]

>>Get Instant Knockout Cut on the official website

8. PhenGold – Best for Breaking a Weight Loss Plateau

Overview

PhenGold is manufactured by Health Nutrition Limited, a reputable company founded in 1999 by Andy Slack in Nottingham, United Kingdom. It is the same company behind PrimeShred and is well-known for producing premium dietary supplements.

Unique Features

PhenGold includes a deliberate blend of amino acids, thermogenic herbs, and vitamins that can help overcome a frustrating plateau in your weight loss journey. Whether you’re looking for additional energy for workouts, a lift during a long workday, or just to keep up with daily routines, PhenGold offers the physical and mental boost needed.

Pricing

• 1 month: $59.99 or $47.99 when you subscribe

Customer Support Info

• [email protected]
• 888-270-3240

>>Get the best PhenGold deals here

9. CrazyBulk Gynectrol – Best for Men With Gynecomastia

Overview

Gynectrol is made by CrazyBulk, a company founded in 2013 by a team of world-class scientists. With a long-standing presence in the health industry, CrazyBulk is well-known for creating supplements and stacks designed for cutting, strength, and bulking.

Unique Features

CrazyBulk Gynectrol is designed as a companion to your workout routine to improve chest appearance by eliminating excessive fat. It works by increasing your resting metabolic rate, giving you more energy for workouts, and reducing appetite so you can stick to a low-calorie diet.

Pricing

• 1 month: $64.99
• 3 months: $129.98

Customer Support Info

• [email protected]
• 888-708-6394

>>Get rid of “man boobs” with CrazyBulk Gynectrol

10. Trimtone – Best for Busy Women

Overview

Trimtone is produced by Health Nutrition Limited is the company behind, a reputable company founded in 1999 by Andy Slack in Nottingham, United Kingdom. This is the same manufacturer behind other popular supplements like PrimeShred and PhenGold.

Unique Features

What makes Trimtone stand out as the best fat burner for women is its simple blend of stimulants, key thermogenic ingredients, and a soluble fiber to reduce cravings. This one-a-day formula offers busy and active women the perfect tool to kickstart their weight loss journey or maintain results long-term.

Pricing

• 1 month: $39.99 or $31.99 when you subscribe

Customer Support Info

• [email protected]
• 888-270-3240

>>Buy Trimtone here

What Are Fat Burners?

Fat burners are supplements designed to aid in weight loss by increasing metabolism, enhancing fat burning, and reducing appetite. Typically, they contain a blend of ingredients like caffeine, green tea extract, protein supplements, and soluble fiber.

However, the effectiveness and safety of these fat-burning supplements can vary, and they are not a substitute for a healthy diet, regular exercise, or prescribed weight loss medication.

Common Types of Fat Burners

Fat burners typically contain ingredients that fall into a few main categories. Some boost your metabolism, making your body burn more calories even at rest. Others act as appetite suppressants, helping you feel fuller so you eat less, similar in principle to some prescription weight loss medications.

Some ingredients help your body release stored fat to be used for energy, or those that increase your energy levels so you can work out harder.

How Do Fat Burners Work?

Fat burners are supplements designed to aid in weight loss by increasing metabolism, enhancing the body’s ability to burn fat, and suppressing appetite.

They typically contain a blend of ingredients like caffeine, green tea extract, and other natural compounds that stimulate thermogenesis—the body’s process of generating heat by burning calories.

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Benefits of Using a Fat Burner

Some of the reasons people use the best fat burners include:

Enhanced Metabolism

Fat burners may boost metabolism and increase energy levels, aiding in more effective workouts and calorie burning. Some ingredients, like green tea extract and caffeine, can enhance fat oxidation and thermogenesis, leading to more fat being burned during exercise.

Increased Energy During Workouts

Many fat burners include ingredients that give you a noticeable energy boost. This extra energy can help you push harder and last longer during your workouts, making your exercise sessions more effective and potentially leading to better results in your weight loss journey.

Reduced Appetite/Cravings

By curbing your appetite and controlling cravings, the best fat burners make it easier to stick to a lower-calorie diet, which is essential for losing weight. Many fat burners include ingredients that help you feel fuller and reduce your desire to snack.

Improved Fat-To-Muscle Ratio

A better fat-to-muscle ratio simply means you’ll have more lean muscle and less body fat. These dietary supplements can support your body in burning fat for energy while helping to preserve your existing muscle. The result is a more toned and defined physique.

Support Through a Weight Loss Plateau

When your weight loss journey hits a wall and the numbers on the scale stop moving, a fat burner can offer valuable support. It can help re-ignite your metabolism or reduce stubborn cravings, giving your body the extra push it needs to break through a plateau.

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How To Choose the Right Fat Burner

It’s crucial to align your choice with your health profile, fitness goals, and tolerance to certain compounds. Here are a few things to consider.

Key Factors To Consider

First, check the ingredients to ensure they are scientifically proven to work and that their dosages are effective. Second, consider your sensitivity to stimulants; if you’re sensitive, look for stimulant-free options like CalmLean.

Also, think about your specific weight loss goals—do you need appetite suppression, energy, or enhanced metabolism?

Finally, always prioritize products from reputable brands that offer transparency, quality testing, and good customer reviews.

Red Flags To Avoid

Avoid products that promise “miracle” or “instant” results, as sustainable weight loss takes time and effort. A proprietary blend is also something you should be skeptical about. It means the manufacturer won’t list exact ingredient amounts, and this hides whether you’re getting effective doses.

Also, steer clear of brands with excessive, unverified testimonials without balanced reviews, and always check for third-party testing to ensure purity and safety.

Common Ingredients of the Best Fat Burners

Here are a few ingredients to familiarize yourself with before shopping for fat burners:

• Caffeine: A popular stimulant, caffeine boosts metabolism, increases energy, and can enhance fat burning during exercise [1].
• Green Tea Extract: Rich in antioxidants and catechins, particularly epigallocatechin gallate (EGCG), green tea extract helps boost metabolism and enhances the body’s ability to burn fat [2].
• Conjugated Linoleic Acid (CLA): This naturally occurring fatty acid is found in meat and dairy products. CLA is believed to support fat loss while preserving muscle mass.
• L-Carnitine: This amino acid plays a role in transporting fatty acids into cells for energy production. It’s often included for its potential to boost fat burning and support workout performance [3].
• Capsaicin: Found in chili peppers, capsaicin can increase metabolism and fat burning. It may also reduce appetite [4].
• Garcinia Cambogia: This tropical fruit extract contains hydroxycitric acid (HCA), which is thought to inhibit fat-producing enzymes and reduce cravings [5].
• Raspberry Ketones: Claimed to increase fat breakdown and the levels of a hormone called adiponectin, which is linked to weight loss [6].
• Yohimbine: Extracted from the bark of the Yohimbe tree, yohimbine may help block receptors that inhibit fat loss, although its effectiveness is debated.

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Possible Side Effects and Safety Tips

The best fat burner supplements can also have potential side effects, particularly if used improperly or by individuals with certain health conditions.

Common Side Effects

Fat burners with stimulants like caffeine can cause side effects such as increased heart rate and blood pressure, which heart rate monitors can detect, along with insomnia, jitteriness, or anxiety.

Some users may also experience digestive issues like nausea or diarrhea, dehydration, and headaches or dizziness. It’s also important to be aware that these supplements can interact with certain medications.

When To Avoid Fat Burners

It’s generally best to avoid fat burners if you are sensitive to stimulants like caffeine, as many contain high doses that can cause jitters, anxiety, or sleep issues. You should also steer clear if you have pre-existing heart disease, high blood sugar, anxiety disorders, or are pregnant or breastfeeding.

Tips for Safe Use of Fat Burners

To minimize side effects, follow the recommended dosage on the label and do not exceed it. Start with the lowest effective dose if possible, especially if you’re monitoring sensitive health markers like cholesterol numbers.

Pay attention to how your body reacts, and if you experience persistent or concerning side effects, stop using the product and consult a healthcare professional.

Being aware of potential interactions with medications like birth control or existing health conditions is also crucial, so discuss any supplements with your doctor before starting.

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Why Diet and Exercise Are Crucial When Using a Fat Burner

No matter what, eating well and moving your body are key for good health. They are the most important things for staying healthy and strong. Here’s why:

A Fat Burner Is Not a Magic Pill

Supplements aren’t magic pills, and even the best fat-burning pills don’t replace the basics of a healthy lifestyle. They can support your goals, but real results come from consistent healthy eating and regular exercise.

The Role of Diet and Exercise in Fat Loss

Diet and exercise are key to losing fat because they create a calorie deficit. Exercise directly burns calories and builds muscle. Meanwhile, a healthy diet plan can control your calorie intake and provide essential nutrients, making it impossible to truly lose fat without them.

Fat Burners Support (Not Replace) Healthy Habits

Fat burners or weight loss pills in general are like helpful assistants, not magic solutions. They support your weight loss journey by boosting metabolism or curbing appetite, but they don’t replace the hard work of a healthy diet and regular exercise.

Customer Testimonials

Do you need real customer reviews? We’ve compiled a list of quotes from real users that showcase diverse experiences.

PhenQ

On Trustpilot, one reviewer lauded it as a “Wonderful product” paired with “fantastic results” when combined with diet and exercise, praising its impact on energy and curbing sugar cravings [7]. Meanwhile, Lotte Lenaerts noted an incomplete package but still commended the “great customer service and compensation” [8].

Capsiplex Burn

On the official website, Robert praised this product, calling it his “favourite” among several he’s tried, noting a “more toned body” after just a few weeks [9]. But you might need to check third-party sites such as Quora or Reddit for broader feedback.

Hunter Burn

Robert Creighton on Trustpilot praised the “Special delivery” and “Great results” he achieved cycling it with Instant Knockout Cut for fat loss as he approached 50 [10]. Conversely, Alexander Almanzar, despite Hunter Burn doing “wonders” for him previously, left a negative review due to poor customer support and no feedback after his second order never arrived [11].

PrimeShred

On the r/supplements subreddit, one user praised PrimeShred after three months, calling it one of the “best supplements for muscle growth” due to increased energy and gym motivation. Another Redditor directly disagreed, stating that there’s nothing special in the ingredients, advising others not to waste their money [12].

CalmLean

On Trustpilot, customer Doc Watson noted its “great price” due to a sale and “very fast” delivery [13]. However, Bruce expressed uncertainty, stating, “I am not sure how well the product is working” [14].

KetoCharge

On the official website, Eric praised the product for “great results, great prices,” claiming it helped him lose over 30 lbs in six weeks with quick delivery [15]. However, we couldn’t find more balanced reviews on their site or trusted platforms like Trustpilot and Amazon, suggesting a search on third-party sites like Quora or Reddit for broader feedback.

Instant Knockout Cut

One Trustpilot user found the product fine but was unhappy about receiving email spam from other companies, suggesting their details were shared [16]. Another experienced a significantly delayed express shipment [17].

PhenGold

A customer on the official website praised this supplement for helping her lose nearly 60 pounds in six months and boosting her confidence [18]. For more balanced feedback, try Quora or Reddit.

CrazyBulk Gynectrol

Mark Shahon on Trustpilot expressed shock, stating, “My chest has transformed in just a few days” [19]. On the other hand, Alejandro reported knee pain and dizziness on his first day of taking Gynectrol for gynecomastia, despite the order itself being fine [20].

Trimtone

On the official page, Beth hailed Trimtone as a “great fit” for her busy mom-of-two schedule, recommending it for a “wellness journey boost” [21]. On Reddit, one user described Trimtone as feeling like “a half cup of coffee mixed with a cup of green tea,” ultimately concluding that it was “absolutely not worth the price [22].”

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FAQs

Looking for simple explanations about the best fat burners? Dive into our list of answers to common questions and get the clarity you need.

Are Fat Burners Safe To Use Daily?

Yes, but it depends on the fat burner and its ingredients. While some ingredients are generally well-tolerated in recommended doses, some fat burners may contain high stimulant levels or unlisted controlled substances.

What Ingredients Should I Look for in the Best Fat Burner?

Look for caffeine and green tea extract for metabolism and energy. For appetite control, fiber (like glucomannan) can help you feel full. Some products also include capsaicin (from chili peppers) for a thermogenic effect.

Can Fat Burners Help With Stubborn Belly Fat?

Fat burners alone can’t specifically target and eliminate stubborn belly fat. While some claim to be the “best stomach fat burner or best fat burner for belly fat,” your body burns fat from all over, not just one specific area. To effectively reduce stubborn belly fat, maintaining a consistent calorie deficit through a diet high in lean protein and incorporating full-body exercise is essential.

Are There Different Fat Burners for Men and Women?

No, fat burners aren’t fundamentally different for men and women; core ingredients work similarly for both genders. While marketing may vary, the science of fat loss applies universally.

What Is the Most Successful Weight Loss Pill?

PhenQ is highly regarded for its multifaceted approach, effectively targeting various aspects of weight loss, such as appetite suppression and fat burning. Another notable option is Capsiplex Burn, which is praised for its thermogenic properties that enhance metabolism and aid in burning fat more efficiently.

Best Fat Burner: Final Thoughts

Choosing the best fat burner is a personal decision that depends on your specific weight loss goals and lifestyle. Consider factors such as ingredient composition, potential side effects, and the specific mechanism of action of each supplement.

Each product on our list, especially our top pick, PhenQ, offers unique benefits like appetite control, metabolism-boosting, and fat-formation prevention. However, they should be used in conjunction with a healthy diet and regular exercise.

With the right approach, these supplements can be a valuable ally in achieving your weight loss goals.

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