7 Best Fat Burning Supplements – Natural Fat Burners That Work

Are your diet and exercise routine failing to get rid of those stubborn pounds? It’s time you try a fat burning supplement – but which one?

We’ve scoured the market and gathered here for you the best fat burners with the perfect ingredients to help you lose weight fast.

Each natural fat burning supplement on our list is tested and proven to be safe, and definitely capable of helping you achieve your weight loss goals.

7 Best Fat Burners That Work for Men & Women

To help you find the fat burning pills that work like this, here’s our comprehensive review of the top fat burning supplements on today’s market.

1. PhenQ

PhenQ Weight Loss PillsThis top-notch fat burner is no joke. Its clinically proven combination of ingredients increase metabolism and help you burn more calories.

The positive feedback from users of this product is overwhelming, with some claiming to see results in just two weeks.

PhenQ’s effectiveness as a weight-loss supplement can be traced to its unique blend of high-quality natural ingredients. These ingredients give it the type of effectiveness you typically can only get from stacking various weight loss pills.

Its most active ingredients include Capsimax powder, Caffeine, Nopal, Chromium Picolinate, L-Carnitine Fumarate, and Calcium Carbonate. The fat burning ingredient that really caught our attention, though, was a-Lacys Reset.

a-Lacys Reset is PhenQ’s special creation, which has been tested and proven to increase fat metabolism safely and even increase muscle mass. This winning combination leads to superior fat burning and a great physique.

PhenQ is a fat burner that works, but is it for you? Here are some pros and cons to help you decide:


  • Burns and converts fat and calories into high energy levels
  • Stops your body from generating and storing more fat
  • Suppresses appetite
  • Improves your mood
  • Contains fiber, vitamins, and minerals to keep you healthy and active even though you are losing weight
  • It’s taken orally
  • 60-day money-back guarantee


  • If you have allergies, it’s advised that you verify this supplement is safe for your use
  • Negligible side-effects, such as constipation, sleeplessness, and headaches


2. Phen24

Phen24 supplementPhen24 is another top fat burner supplement that comes with 24-hour action. It’s delivered as a day and night pill. Each is formulated to achieve specific results during the specified period it’s to be used.

For instance, the day pills boost your metabolism, calorie burn, energy, and motivation for exercise.

The night pills, on the other hand, promote quality sleep, reduce cravings (no midnight snacking), and boosts your nighttime metabolism (your body burns calories even while you’re asleep).

Because the day pills serve a different purpose from the night pills, they contain different ingredients. The day pills contain Caffeine, Guarana Extract, Zinc Citrate, and Cayenne Powder for increased metabolism and energy.

The night pills contain Glucomannan, Chromium Picolinate, and Biotin to minimize your sugar intake, cravings, and speed up your nighttime metabolism.


  • Free worldwide shipping
  • 24-hour weight loss
  • 60-day money-back guarantee
  • Buy two boxes, get one free
  • Ingredients are all-natural, and FDA approved


  • Juggling night and day pills may be tedious
  • Mild cases of constipation, headaches, and sleeplessness have been reported


3. Lean Optimizer

Lean Optimizer PillLean Optimizer is a natural fat burner formulated by a US doctor-owned company, Health, Fitness & Longevity.

That’s already a good sign that you’re in good hands.

The key ingredients in each pill are Chromium Picolinate, Green Coffee Bean Extract, Yerba mate, and amino acids. Chromium Picolinate reduces your cravings and has the added health benefit of lowering your blood sugar levels.

Green Coffee Bean extract boosts your metabolism and fat burning, while Yerba mate is a stimulant that increases your energy levels.


  • Increases metabolic rate and suppresses appetite
  • Regulates your body’s PH levels and its production of insulin
  • Studies indicate a number of the ingredients directly cause weight loss
  • Loads of positive customer feedback
  • Impressive money-back guarantee options


  • Some may find this product a bit expensive


4. Instant Knockout

Instant Knockout is a thermogenic fat burner that works great for men and women.

Unlike other fat burner pills that only keep up your metabolism during the day, Instant Knockout works around the clock. This means that even while you’re sleeping, this best fat burner contender is busy helping you lose weight.

Instant Knockout’s weight loss potency can be traced to its natural ingredients that naturally boost your metabolism. These ingredients include Green Coffee Bean Extract, Zinc, Green Tea Extract, Cayenne Pepper Seeds, Vitamins B6 and B12, Caffeine, Glucomannan, and others.

The Cayenne Pepper Seeds are a special touch as it safely increases your body temperature to help melt away fat. Glucomannan is another useful ingredient that’s an appetite suppressant that reduces cravings.

Is Instant Knockout right for you? Let’s check out the pros and cons.


  • Ideal for athletes and bodybuilders
  • Safe all-natural ingredients
  • Boosts the levels of energy
  • 90-day money-back guarantee
  • Free worldwide delivery
  • No reported side-effects


  • Vegans might not be a fan of its gelatin-coated capsules
  • The caffeine ingredient might lead to sleeplessness when used at night


5. Hunter Burn

If you are looking to burn fat and retain muscle mass, you should consider trying Hunter Burn. It’s one of the best non-stimulant fat burners you can find, which explains its relatively high price.

It has many of the premium fat burning ingredients you’ll find in other supplements and others that you won’t. The real difference lies in how much of these ingredients Hunter Burn packs into each pill.

Hunter Burn uses 3000mg Konjac root extract as its appetite suppressant, more than any other product on the market.

Vitamin D and L-theanine are present to help you burn body fat and aid muscle growth by increasing your testosterone levels. There’s also white kidney bean serving as a potent fat blocker that reduces the number of calories your body absorbs.

Matcha Green tea and Cayenne Pepper also boost metabolic rate and help burn stored fat.


  • Burns stored body fat, especially belly fat
  • All-natural stimulant-free ingredients
  • Promotes lean muscle mass
  • 90-day money-back guarantee
  • High ingredient content in each pill
  • 24-hour fat-burning action


  • It’s more expensive than the other brands on our list
  • Its ingredients also make it unideal for vegans and vegetarians


6. Phen375

Phen375 SupplementPhen375’s unique blend of Caffeine, Cayenne Pepper, Picolinic Chromium, Calcium Carbonate, Lambda Carnitine, and Orchid Extract is great for men and women looking to cut down their body fat and body mass.

The Orchid Extract and Lambda Carnitine ingredients are particularly interesting.

Orchid extract is an antioxidant and digestive aid, while Lambda Carnitine boosts energy levels by turning your fat stores into fuel.

This great combination causes fat and carb-burning that can lead to losing about 6 pounds a week.


  • Clinically tested ingredients
  • Suppresses appetite
  • Potent belly fat burning pill
  • No prescription required
  • Slows down the regeneration of fat cells
  • Boosts your mood to minimize the risk of emotional eating


  • People with certain intolerances may experience some side-effects. For instance, increased blood pressure and heart rate may be a problem for people with pre-existing heart conditions.


7. Nuratrim

Last but not least, Nuratrim, boosts your metabolism and gives you energy needed to achieve peak physical fitness. It accomplishes this with the aid of Licorice Extract and Green Coffee Extract.

In its ingredients, you’ll also find Glucomannan, which is a food craving suppressant, and Capsicum Extract, which promotes thermogenesis for the burning of more calories.

Where Nuratrim beats its competitors is it has been clinically proven to be fast-acting. Within days, you can start seeing positive results.


  • Safe and easy to use
  • Quick results
  • 60-days money-back guarantee
  • Free worldwide shipping
  • Lowers cholesterol levels


  • It’s not suitable for vegans and vegetarians because of its gelatin-coated capsules

Please note that while all these products are effective, they deliver the best results when combined with exercise and a healthy diet.


Top 7 Individual Powerful Fat Burner Ingredients

The most effective fat burners contain at least three of the following ingredients. Each of these fat-burning ingredients serves a unique purpose that contributes to losing weight and achieving overall wellbeing.

1. Cayenne Powder (Capsicum)

This spicy ingredient helps naturally raise your body temperature to promote metabolism. The result is an increase in caloric burn. It also has the potential to reduce blood pressure and suppress appetite.

2. Chromium

An important ingredient that reduces how much sugar your body absorbs, Chromium reduces your cravings for sugary substances. It also functions to some degree as a thermogenic that promotes fat burning.

3. Caffeine

It’s rare to find a weight loss supplement that doesn’t contain at least some caffeine. This stimulant is added for its fat-burning potential, which it achieves by speeding up your metabolism and boosting your energy levels. The more energy you have, the more active you’ll be, and the more calories you’ll burn.

4. Green Tea Extract

This lovely extract is noted not just for being an antioxidant that improves overall health, but also a metabolism booster and fat absorption blocker.

5. Nopal

This fiber makes you feel full and suppresses your appetite. It also increases your body’s metabolism and decreases blood sugar levels.

6. Glucomannan

Here’s another dietary fiber that makes you feel full and works as an appetite control. It does this by delaying your digestive system’s processing of food. It also reduces your body’s absorption of fat and protein.

7. 5-HTP

When ingested, 5-HTP is converted into serotonin, which promotes healthy sleep and improves your mood. Both of which subtly contribute to fat loss.

These ingredients have a variety of other health benefits, but when it comes to weight management, each works better when combined with other ingredients. This way, the fat-burning effects of one are complemented and emphasized by that of the other ingredients.

How Do Fat Burners Work?

You’re probably wondering, “do fat burners work?” Yes, they do and can help you finally get that body you’ve always wanted. How exactly do the weight loss supplements on our list accomplish this?

The first thing you need to know is that different supplements work differently. How the fat burning supplement causes you to lose weight depends a great deal on its ingredients.

All the products in our review are natural fat burners with a formulation that’s aimed at helping you shed weight by increasing your metabolism and minimizing your appetite. These effects cause you to eat less, then burn what you’ve eaten faster and more effectively.

Other ways these weight loss pills help turnaround your weight gain include:

1. Boost Energy

The more energy you have, the more activity you can perform to burn off excess calories and fat. However, when your appetite is suppressed, you are consuming less food, and this can bring down your levels of energy.

The best weight loss supplements take this into account by adding nutrients that not only keep your energy up but also convert your stored fat into energy. With this, you are more motivated to exercise, which helps you with burning fat fast and even build great looking muscles.

2. Effective Use of Carbohydrates and Fat

Carbs and fat are among the biggest culprits that lead to weight gain. The best fat burner for women and men on our list increase your body’s absorption of these fats and carbs.

Instead of those calories being stored in adipose tissue in your system, the fat burner influences your body to absorb it fast and turn it into energy more effectively. This burns away your excess weight and gives you the fuel to exercise and lose even more weight.

3. Get Rid of Excess Fluids

Water weight is very real and adds to your pounds. High-quality diet pill not only promotes fat loss but also rids your body of excess fluids allowing you to achieve a more desirable weight and physique in less time.

What Are the Side Effects of Fat Burning Supplements?

All the products on this list are made from natural ingredients. This makes them safe for human consumption, except in the few instances an individual is allergic to one ingredient or the other.

For this reason, even though none of these products needs a prescription, it’s advisable you consult your doctor about the ingredients before using a weight loss supplement.

It’s also worth pointing out that the stimulant content (such as caffeine) in some of these diet pills might stress the heart of individuals with pre-existing heart conditions. For such people or others that react negatively to caffeine, we recommend stimulant-free weight loss supplements like Hunter Burn.

Frequently Asked Questions

How effective are fat burners?

Diet pills aren’t made equal. The effectiveness of a fat burner is determined by the quality of its ingredients as much as your physiology. For best results, when using a product, we recommend strictly following its attached instructions regarding usage.

Healthy diet and exercise combined with the supplement will also ensure maximum fat loss.

When should I take the supplement?

Unless otherwise prescribed, this dietary supplement is best taken in the morning, 30 minutes before breakfast for optimal effect. Following this approach allows your body to effectively harness the energy released by the fat burner to fuel your day’s activities.

How long should I take fat burners?

Unless otherwise prescribed, a fat burner should not be used for longer than 8 to 12 weeks. Using the fat-burning supplement for longer than this can cause you to develop a resistance to the fat burner’s ingredients. When this happens, the fat burner’s ingredients become less potent, and you’ll stop seeing results.

Is it safe to take fat burners?

Our reviewed best fat burner pills are safe because of the high-quality, all-natural ingredients they contain in healthy doses. As long as you properly follow their instructions, there shouldn’t be any safety or health concerns.

Rhinebeck Health