The 5 Best Thermogenic Fat Burners for 2021 – Complete Reviews

When it comes to losing weight, sometimes diet and exercise are not enough. Depending on your body type, activity levels, and other factors you may be facing an uphill task shifting those stubborn pounds. Fortunately, with the help of thermogenic fat burners, you can boost fat metabolism for a leaner healthier body. 

Just like any other supplement, not all fat burners have the same levels of efficacy. Depending on the efficacy of ingredients used in the formulation, you will find that some fat burners are much more effective than others. 

Our Top Rated Thermogenic Fat Burners Reviewed

1. Hunter Burn

Hunter Burn is a fat burner that effectively helps to increase body temperature resulting in accelerated fat metabolism. Hunter Burn also acts as an appetite suppressant ensuring that you eat less and consequently lose weight. 

This natural formulation is made with safe natural ingredients to facilitate safe and efficient weight loss without adverse side effects.

Hunter Burn Benefits

  • Stimulates fat metabolism for accelerated weight loss
  • Acts as an appetite suppressant to help you eat less and combat hunger pangs
  • Helps in building up lean muscle 
  • Helps to boost energy 

Hunter Burn Ingredients

Hunter Burn is formulated with natural ingredients designed to help you lose weight quickly and safely.

Konjac Root

Konjac root is an appetite suppressant that helps you to feel full faster meaning you eat less. This ingredient also helps in keeping cholesterol levels low, regulating blood pressure, and improving digestive health.  

White Kidney Bean Extract 

This ingredient acts as a carb blocker which helps to minimize the effect of carbohydrates on insulin levels. This makes your body more efficient in burning fat. White kidney bean extract also acts as an appetite suppressant which aids in keeping calorie intake low to facilitate faster weight loss.

Cayenne Pepper

Cayenne pepper has thermogenic properties that help to increase the rate at which your body burns fat. Cayenne also helps to increase the feeling of satiety making it easier to stay on a healthy diet and minimize overeating.  

Matcha Green Tea 

Matcha green tea is rich in L-theanine which works well with the caffeine in Match tea for a sustained energy boost. This natural ingredient is also a potent metabolism booster that ensures your body keeps burning fat.

L-Theanine

The soothing effect of this amino acid helps in curbing food cravings. L-theanine also helps to speed up fa burning and leaves you feeling calm and focused. 

Vitamin D3 

Vitamin D3 helps to boost testosterone levels in the body. this means that even as you lose fat, your body preserves lean muscle so you do not lose muscle. This vitamin also plays a crucial role in boosting overall immunity, keeping bones healthy, and preventing hormonal imbalances. 

Hunter Burn Pros

  • Formulated with safe natural ingredients
  • Provides energy boost without crashing
  • No adverse side effects
  • Comes with a money-back guarantee

Cons

  • Contains gelatin so is not vegan-friendly

Hunter Burn Side Effects

Hunter Burn is completely safe and has no adverse side effects

How to Use Hunter Burn

The recommended dosage of Hunter Burn is two capsules taken thrice a day with a large glass of water, 

Each bottle of Hunter Burn contains 180 capsules which is a one-month dosage.

For best results combine Hunter Burn with a healthy diet and regular exercise routine.

Where To Buy Hunter Burn

Hunter Burn is available from the official company website. This supplement is available in three packages.

  • I month supply: 1 Bottle of 180 capsules = $75
  • 2 months’ supply: 2 Bottles of Hunter Burn with free USA and UK Delivery = $150
  • 4 months’ supply: 3 Bottles of Hunter Burn+1 Free with free worldwide delivery = $225

2. Instant Knockout

Instant Knockout is a potent thermogenic fat burner that boosts fat metabolism, acts as an appetite suppressant, and gives you an energy boost. This supplement also contains caffeine which helps in keeping energized and focused. 

Instant Knockout Benefits 

  • Helps in accelerating fat metabolism leading to weight loss
  • Potent energy booster that helps you stay energized
  • Improves digestive health
  • Promotes production of testosterone which enhances fat burning
  • Acts as an appetite suppressant

Instant Knockout Ingredients

Green Tea Extract

Green tea is a potent fat burner that helps to accelerate metabolism which helps your body burn fat faster and more efficiently. 

Glucomannan

Glucomannan aids in appetite suppression ensuring that you consume fewer calories to optimize weight 

Cayenne Pepper Seeds

Cayenne pepper is a potent thermogenic fat burner. It increases the body’s rate of burning fat and boosts insulin sensitivity in the body for more efficient breakdown of carbs. 

Caffeine Anhydrous

Caffeine is a potent stimulant that boosts metabolism, increases energy levels in the body, and helps to increase focus.  

Green Coffee Bean

This ingredient reduces the rate at which your body absorbs fat making it easier for you to lose weight.

B Vitamins

The Vitamin B6 In Instant Focus helps in building lean muscle while Vitamin B12 promotes healthy digestion and absorption of nutrients.

GTF Chromium

Chromium helps the body absorb fat and sugar which in turn helps to curb cravings. This ingredient also helps in boosting energy levels. 

Instant Knockout Pros

  • Potent energy booster
  • Effective appetite suppressant
  • Safe and effective natural ingredients 

Cons

  • High in caffeine

How To Use Instant Knockout

The recommended dosage of Instant Knockout is one capsule four times per day before meals as follows: one capsule in the morning, one capsule before lunch, one capsule in the afternoon, and a capsule before dinner. 

Where to Buy Instant Knockout

Instant Knockout fat burner is here at the lowest possible price.

This supplement comes in three options:

  • Ultimate Shredding Stack: 3 bottles + 1 FREE with Free worldwide delivery and 90-day money-back guarantee = $185.00
  • 2 Months Supply: 2 Bottles with Free delivery in the USA and UK = Price: $118.00
  • 1 Month Supply: 1 Bottle = Price: $59.00+ shipping cost

3. PhenQ

PhenQ is an efficient thermogenic fat burner that acts as a fat burner, appetite suppressant, and energy booster. This supplement is formulated with safe natural ingredients to effectively accelerate the rate at which the body burns fat. 

PhenQ Benefits

  • Accelerates fat metabolism for faster weight loss
  • Acts as an appetite suppressant to curb cravings and reduce calory intake
  • Provides an energy boost
  • Blocks fat production
  • Has positive effects on mood 

PhenQ Ingredients

Capsimax Powder

This potent powder consists of capsicum, caffeine piperine, and vitamin B3. This ingredient helps to accelerate metabolism and increases your body heat to help you burn fat faster.

Chromium Picolinate

Chromium is an effective appetite suppressant that helps to curb cravings and regulate blood sugar levels. The less you eat the easier it is to lose weight and maintain healthy body weight. 

Caffeine

Caffeine is not just good for boosting fat metabolism but it also provides an energy boost and increases focus. 

Nopal

Nopal is a fiber-rich ingredient that helps in creating feelings of satiety which helps to curb hunger pangs and overeating. This helps in promoting weight loss. Nopal is also a potent energy booster.

L-carnitine

L-carnitine helps to boost fat metabolism for faster weight loss. This ingredient also helps in increasing energy levels in the body to reduce fatigue. 

PhenQ Pros 

  • It’s made from 100% safe natural ingredients
  • Acts as a fat blocker
  • Fast-acting
  • Comes with a money-back guarantee

Cons:

  • Contains caffeine

PhenQ Side Effects

PhenQ is a safe and natural thermogenic fat burner. However, since it contains caffeine it may not be suitable for people with sleep disorders or other caffeine sensitivities.

How To Use PhenQ

The recommended dosage of PhenQ is two pills a day taken with breakfast and lunch respectively.

Where to Buy PhenQ

PhenQ is available by going here for the lowest possible price. This supplement is available in three options:

  • 1 PhenQ bottle = $69.95
  • 2 bottles + 1 Free = $139.90
  • 3 bottles + 2 Free+ Free Advana Cleanse = $189.95

4. Animal Cuts Fat Burner

Animal cuts is a thermogenic fat burner that is designed for bodybuilders who want to burn fat while retaining lean muscle mass. This supplement is formulated to help you power through high-intensity workouts and accelerate fat metabolism.

Animal Cuts Benefits:

  • Enhances strength and stamina during workouts 
  • Promotes fat metabolism  
  • Acts as an appetite suppressant 
  • Boosts energy levels
  • Helps in increasing insulin sensitivity
  • Helps to retain lean muscle mass

Animal Cuts Ingredients:

Raspberry ketones

This ingredient helps to promote weight loss by accelerating fat metabolism in the body.  

L-carnitine

L-carnitine helps in increasing metabolism and in boosting energy levels in the body. This aids in providing the stamina and endurance you need for workouts. 

Caffeine

Caffeine is a potent thermogenic fat burner that helps to boost metabolism. This ingredient also acts as an energy booster and helps to increase focus. 

Guarana

Guarana is a natural stimulant that also helps to boost metabolism and increase energy levels for more strength and stamina.

Yerba Mate

Yerba Mate is a natural stimulant that helps in boosting energy and accelerating fat metabolism. 

Animal Cuts Pros

  • Ideal for bodybuilders who want to retain muscle mass
  • Potent energy booster
  • Contains safe and effective natural ingredients

Cons:

  • High in caffeine
  • Requires high-intensity workouts for maximum effectiveness.

Animal Cuts Side Effects

Animal Cuts is formulated with safe ingredients and has minimal side effects. However, it can cause dehydration so it is recommended that you take plenty of water when using Animal Cuts.

How To Use Animal Cuts

The recommended dosage of Animal Cuts is 2 packs a day for 3 weeks. Take 1 pack in the morning and the second pack 4-6 hours later. 

Animal Cuts should be taken with meals and plenty of water to avoid dehydration. For best results follow a 3 weeks on, 1 week off cycle.

Where to Buy Animal Cuts

Animal Cuts is available by going here.

A 42-pack canister of Animal Cuts costs $39.95.

5. Vintage Burn Fat Burner

Vintage Burn is a thermogenic fat burner from Old School Labs. This supplement is vegan and keto-friendly and contains safe and effective ingredients to help you lose weight naturally.

Vintage Burn Benefits

  • Accelerates fat burning for faster weight loss. 
  • Helps to preserve lean muscle mass
  • Acts as an energy booster
  • Helps to Improve mood and focus.
  • Acts as an appetite suppressant

Vintage Burn Ingredients

Green Tea Extract

This ingredient has fat-burning properties and helps in promoting fat metabolism. It also has anti-oxidant properties that promote overall wellness.

Green Coffee Bean Extract

This ingredient is a potent mood and energy booster. It also helps in preserving lean muscle while promoting fat metabolism.

Caffeine

Caffeine is a potent fat burner that also has efficacy in boosting energy levels and suppressing appetite. 

Bacopa leaf 

This natural ingredient helps in enhancing focus and elevating the mood. Bacopa also boosts fat metabolism which promotes weight loss. 

Garcinia Extract

Garcinia accelerated fat metabolism for enhanced weight loss. It is also effective in suppressing cravings and hunger pangs.

Forskolin 

This ingredient helps to stimulate testosterone production which is essential for stamina, strength, and retention of lean muscle mass. 

Vintage Burn Pros:

  • Vegan and keto-friendly.
  • Gluten-free.
  • FDA approved.
  • Comes with a money-back guarantee. 

Cons:

  • Costly

Vintage Burn Side Effects

Vintage Burn is a safe natural supplement. However, some people may experience side effects including nausea, headaches, or stomach sensitivity.

How to Use Vintage Burn

The recommended dosage of Vintage Burn is two veggie caps per day. For best results combine vintage Burn with a healthy diet and regular exercise. The recommended time period for best results is 60 days. Do not take Vintage Burn before bedtime.

Where to Buy Vintage Burn

Each container of Vintage Burn holds 120 veggie capsules for $ 49.99

What You Should Know About Thermogenic Fat Burners

Thermogenic fat burners are supplements that help in increasing the rate at which your body burns fat. These supplements accelerate your metabolism leading to faster weight loss to help you reach your desired weight safely and efficiently. Thermogenic fat burners may also have appetite suppressing properties which ensure that your calorie intake remains healthy to ensure you do not gain excessive weight.

What do The Best Fat Burners Have in Their Ingredients?

The best fat burners are formulated with safe natural ingredients with proven efficacy in fat metabolism and promoting weight loss. Some of the best ingredients to look for in fat burners include. 

  • Caffeine 
  • Green-tea extract
  • Protein supplements
  • Soluble fiber supplements 
  • Yohimbine

Should You Consider a Fat Burner?

If you want to reach your weight loss goals faster, an effective fat burner can make the process easier. The best thermogenic fat burners are formulated with safe natural ingredients that have little to no side effects. However, for people with medical conditions or on medication, it is best to consult your doctor before taking fat-burning supplements. 

Potential Side Effects for Fat Burners

Increased blood pressure 

  • Insomnia, especially when taking caffeinated fat burners
  • Restlessness
  • In some cases, withdrawal may occur with long-term use

Conclusion

Maintaining a healthy body weight is important for your health. In cases where you are not getting the desired results with exercise and diet only, fat burners can help accelerate the weight loss process. The best fat burners have multiple benefits ranging from fat burning to preserving lean muscle, suppressing appetite, and boosting energy. With the right fat burner getting your ideal body does not have to be an uphill task. 

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