Best supplements for weight loss, satiety and energy levels

Best fat burners for men to increase metabolism, satiety, energy levels and burn more calories at rest…

Physical activity and healthy eating are commonly known weight-loss strategies, however, there are also additional options that can be considered – the main ones being workout plans, diet journals and fat burning supplements. When it comes to weight loss, nutrition is a highly overlooked factor. Nutrient deficiencies can inhibit various metabolic pathways, slowing down your metabolism and resulting in an accumulation of fat in your cells.

These important nutrients that increase metabolism can either come from your diet, natural herbs or fat burning supplements in the form of capsules. Although fat burners aren’t an all-in-one solution to physical health and obesity prevention, they can make the weight loss process significantly easier and more effective.

It’s important to note that fat burners should be used to supplement healthy eating and exercise to make it easier to lose weight. They shouldn’t become your excuse for living an unhealthy lifestyle. In this article, we’ll explore the best fat burner supplements to increase the rate of fat breakdown at rest.

Our list of the 5 best fat burners for men

#1 Instant Knockout Cut – Strongest fat burner

#2 Burn by Hunter Evolve – Highest dosage premium supplement

#3 Hourglass Fit – Best appetite suppressant

#4 Burn XT – Best for increasing energy levels

#5 Phen 24 Nighttime fat burner– Best for men with insomnia

#6 Hydroxycut Hardcore Elite – Runner up

#1 Instant Knockout – best overall fat burner

Instant knockout fat burner supplement

Official website:

Instant Knockout Cut is a clinically-dosed thermogenic fat burner designed to help you melt body fat, without the jitters. It’s used and recommended by MMA pro fighters and coaches who turn to it to cut weight before a fight.

Instant Knockout Cut was designed for people who are serious about their fitness and need a fat burning supplement that will work fast. Due to its ability to improve energy, it’s widely used by MMA fighters and professional athletes as well as bodybuilders going into competitions.

The ingredients included in Instant Knockout have been shown to stimulate lipolysis (fat breakdown) which results in your body burning more fat at rest, making it easier to release fat from your body and get ripped.

Instant Knockout features:


• Stimulates metabolism – causes the body to burn fat faster

• Increases fullness and reduces cravings

• Improves energy levels for workouts

• 90 day money back guarantee


• High price


Thermogenic components: Cayenne Pepper and Matcha Green Tea, 100mg, 500mg

Cayenne Pepper and Matcha Green Tea are both thermogenic fat burners. [1] An example of thermogenesis is when you eat this type of pepper, your body temperature rises. As a result, your body responds by lowering the temperature, which boosts your metabolism and results in more calories being lost. Green tea is a strong thermogenic fat burner.

Caffeine and L-Theanine, 300mg, 100mg

L-Theanine helps prevent caffeine from raising your blood pressure and causing sleep problems. At the same time, people will benefit from the positive effects of caffeine (increased energy and focus) [2] making this a powerful physical and mental performance supplement.

Vitamin D3, 1800 IU

Without enough Vitamin D3, we can experience an increase in blood pressure and the risk of developing hypertension, making it more difficult and stressful to exercise. Vitamin D may inhibit the accumulation of fat in cells and has been found to boost testosterone – a hormone that helps boost your metabolism. [3]

Black Pepper Extract, 10mg

Piperine found in black pepper has been found to prevent the expression of the genes responsible for the formation of fat cells and therefore may be an efficient treatment for obesity. [4]

Glucomannan, 1800mg

This water-soluble dietary fibre works by promoting feelings of satiety by delaying stomach emptying. It may also cause weight loss by reducing the absorption of fat. [5]

Vitamin B12, 10 ug

This particular vitamin helps in the conversion of carbohydrates to glucose, which releases more energy, making it easier to get through your workouts. [6]

Vitamin B6, 5 mg


Who is this supplement for?

If you’re serious about getting six pack abs, then we recommend Instant Knockout. At the end of the day Instant knockout is designed for and endorsed by MMA fighters that need to consistently burn fat and gain muscle so they can perform at their best.

Gone are the days of feeling tired or low on energy whilst trying to lose weight; Instant Knockout’s formula contains key energy performance ingredients: Caffeine and L-theanine, which when taken together, have been shown to boost cognitive performance and concentration.

What’s great about this fat burner is that it actually works. The ingredients in Instant Knockout have been shown to stimulate thermogenesis and metabolic pathways, resulting in more calories being burned at rest, making this fat burner ideal for weight loss.

Buy Instant Knockout Cut here

#2 Burn by Hunter Evolve – highest dosage premium supplement

hunter evolve fat burner supplement

Official website:

If you’re looking for a fat burner that acts fast, then we recommend Burn by Hunter Evolve. This product contains high doses of ingredients that will help speed up your metabolism so that your body burns more calories at rest.

Unlike a lot of fat burners, Hunter Evolve contains multiple ingredients that are effective and backed by research.

Burn by Hunter Evolve features:


• Higher doses of fat burning ingredients

• Clinically dosed to give you the results you want

• An increase in the feeling of being full

• Unique synergistic formula for maximum fat loss

• Increased energy


• Highest priced fat burner supplement


Cayenne Pepper and Matcha Green Tea, 125mg, 200mg

Cayenne pepper and Matcha Green tea extract are thermogenic fat burners that can increase the rate of calorie expenditure.

L-Theanine, 200mg

Burn by Hunter Evolve has the highest dose of L-Theanine. L-theanine has been found to prevent an increase in blood pressure. It can also ​help reduce stress and anxiety in people experiencing stressful situations. L-theanine may also be an effective sleep promoter because it helps to promote relaxation – stress and insomnia have been associated with weight gain.

Vitamin D, 3000 IU

We found that this supplement has the highest dosage of Vitamin D, making this a powerful fat burner.

Konjac Root, 3000 IU

Konjac root is high in a type of dietary fiber called glucomannan. Adding a glucomannan fiber supplement to a balanced, diet has been found to stimulate weight loss.

White Kidney Bean 500 mg

The white kidney bean is a powerful dietary carbohydrate blocker that can help you lose weight. It does this by providing an effective barrier against carbohydrates and stopping your body from absorbing too many calories, which means it reduces the potential for fat storage in our diet.


Who is this supplement for?

We recommend this supplement to people that are serious about losing weight. Although it’s on the pricey side this supplement will help you burn fat faster than other supplements due to its high dosage of ingredients. This is fat-burning supplement is ideal for men looking to replace their body fat with muscle to achieve a lean physique.

Buy Burn by Hunter Evolve here

#3 Hourglass fit – best appetite suppressant for men and women

Official website:

Hourglass fit is specifically designed for people that find it hard to sustain a diet for a long period of time because of hunger cravings and stress. The ingredients have been shown to be extremely effective for suppressing appetite by regulating levels of hunger hormones.

The combination of thermogenic fat burner ingredients and appetite suppressants explains why so many people have benefited from this supplement.

Hourglass features:


• Contains strong appetite suppressants

• Increases metabolism

• Designed for people that want to maintain their diet

• Contains thermogenic stimulators 


• No caffeine


Vitamin B6, 1.7mg

This supplement contains a high dose of Vitamin B6 which has been found to regulate mood and cause a reduction in high blood pressure.

Energy boosters: Zinc and vitamin b12, 8mg, 2.4 ug

Zinc and Vitamin b12 have been shown to increase energy and prevent fatigue.

Vitamin B2, 1.1 mg

Vitamin B2 may help in the weight loss process by releasing energy from carbohydrates and fats.

Other fat burners: Konjac Root Extract, 3000 mg, Black pepper extract, 5 mg and Cayenne Pepper, 100mg

As discussed before the metabolism booster Konjac Root, Black pepper and the thermogenic stimulator Cayenne Pepper are strong fat burners.

Appetite suppressants: Chromium, 125ug and 5-HTP, 150 mg

Chromium and 5-HTP may increase feelings of fullness, and counteract hunger-inducing hormones, allowing you to eat less and ​sustain your weight loss diet program for a long period of time. 5-HTP may also help increase your serotonin levels and reduce your anxiety so you’re less inclined to binge eat to cope with unpleasant feelings.


Who is this supplement for?

We believe this supplement is ideal for those who find that fasting and calorie cutting results in hunger cravings and fatigue. Due to its strong thermogenic and satiety inducing ingredients, we recommend Hourglass to people looking for a fat burner that can help suppress their appetite.

Buy Burn by Hourglass here

#4 Burn XT– Best for increasing levels of energy

Burn XT fat burner supplement

This supplement contains high doses of Green Leaf tea extract and Acetyl-L-Carnitine – both are powerful fat burners. Furthermore, the combination of green tea and caffeine makes this supplement ideal for people that want to boost their levels of energy before a workout.

Burn XT features


• Unique formula contains Acetyl-L-Carnitine

• Contains caffeine – great for workouts


• Low dose of thermogenic fat burners


Acetyl-L-Carnitine 350mg

This substance helps convert fat into energy. People with Bipolar disorder should avoid this supplement due to Acetyl-L-Carnitine’s ability to worsen symptoms of the disorder.

Acetyl-L-Carnitine’s also interacts with several medications such as Sertraline and Warfarin so you should consult your doctor before taking this supplement with medication.

Energy boosters: Green Leaf tea extract 225mg and Caffeine 135mg

Green tea and caffeine have both been found to increase energy levels and improve athletic performance.

Thermogenic fat burners: Capsimax cayenne pepper fruit extract 25mg, Bioperine Black Pepper Fruit Extract 2.5mg

Whilst this product does contain thermogenic fat burners both ingredients are of a significantly low dosage relative to other fat burning supplements on the market.


#5 Phen 24 Nighttime fat burner supplement– best for men with insomnia

phen 24 fat burner supplement

What we like about this supplement is its unique formular that is tailored to men that need to improve their sleeping patterns. Poor sleep has been shown to cause weight gain, therefore it’s no wonder that this company created a supplement that helps solve this problem. At the same time men will also benefit from other ingredients that may help stimulate the body to burn more fat and increase energy levels.



Calcium has been found to cause a small increase in thermogenesis which may improve metabolism and stimulate the body to burn more fat.


Magnesium has been found to improve testosterone levels and physical performance in athletes, making this ingredient ideal for men that want a boost in energy levels for their workouts.


Melatonin has been found to help regulate sleep. Insomnia has been associated with with weight gain, so getting enough high-quality sleep may be vital to help burn fat. Melatonin has been found to interact with some medications so a physician’s approval may be required before using this supplement.

Vitamin B6


#6 Hydroxycut Hardcore Elite – Runner up

Hydroxycut Hardcore Elite fat burner supplement

This supplement contains some ingredients that may help stimulate metabolic pathways that result in the body burning more fat. The combination of caffeine and L-Theanine also makes this supplement great for improving focus and energy. This means you can take it before your workout or even as a replacement for coffee during those busy days that you want to feel more alert.

Hydroxycut Hardcore Elite features:


• Top selling Amazon product

• Designed to improve energy for workouts

• Caffeine and L-Theanine has been shown to improve focus

• Contains thermogenic fat burners


• Low dose of Black pepper extract and Cayenne pepper


Caffeine Anhydrous, 125mg, L-theanine, 50mg

As previously discussed, when combined caffeine and L-theanine can improve focus and energy.

Green coffee extract, 100mg

Whilst some studies have shown that  green coffee extract may aid in weight loss, the effects were small and short-lived. The studies were likewise flawed; further research is needed to back up the claim that green coffee can help you lose weight.

 L-carnitine L-tartrate, 50mg

Although L-carnitine helps transport fatty acids into your cells for energy production, studies that investigate it’s efficacy for weight loss show mixed results. More research is needed to substantiate the claim that it’s an effective fat burner supplement.

Cocoa extract, 50mg

Chocolate has been found to support cardiovascular health by reducing cholesterol.

Black pepper extract, 2,5mg Cayenne pepper extract, 2,5mg. As previously discussed Black pepper and Cayenne pepper have been found to have fat burning properties.


Final word 

Nutritional deficiency is a highly overlooked factor when it comes to weight loss. Not only can nutrition and supplements help boost metabolism via thermogenesis, they can also increase fullness which may help you stay on your diet and avoid temptations that undo all the hard work. We recommend Instant Knockout or Burn by Hunter Evolve as the best fat burner supplement to go from zero to hero on your weight loss journey. It contains the most evidence-based formula and consists of ingredients that have been shown to boost metabolism and stimulate the release of fat from the body.


[1]: The Effects of Capsaicin and Capsiate on Energy Balance: Critical Review and Meta-analyses of Studies in Humans (2011)
[2]: The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness (2010)

[3]: Vitamin D decreases adipocyte lipid storage and increases NAD-SIRT1 pathway in 3T3-L1 adipocytes (2016)

[4]: Effects of piperine on lipid metabolism in high-fat diet induced obese mice (2020)

[5]: Dietary fiber and weight regulation (2001)

[6]: The metabolic processes of folic acid and Vitamin B12 deficiency (2014);year=2014;volume=1;issue=1;spage=5;epage=9;aulast=Mahmood


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