Jacked Factory are a well respected supplement company that concentrate on delivering well thought out supplements with proper doses of scientifically backed ingredients.

The company prides itself on only using enough ingredients to be effective without filling it with junk or fillers. There are also no proprietary blends, so no guessing how much caffeine is contained in your supplements.

BURN-XT is a fat burning supplement that contains only five main ingredients. It promises to burn body fat while preserving muscle, increase energy and focus, and suppress appetite.

Compared to most fat burners, BURN-XT is simple and straightforward. But is it effective? In this article we will look at the five ingredients and discover whether they work, before assessing how effective the product is as a whole.

Ingredients Profile

As we mentioned there are five ingredients contained in BURN-XT Fat Burner: Acetyl-L-Carnitine, Green Tea Extract, Caffeine, Capsimax (Cayenne Pepper Extract), and Bioperine (Black Pepper Extract). Of these ingredients, the first four are designed to increase fat burning while the Bioperine is there to increase absorption and therefore increase the effectiveness.

 Acetyl-L-Carnitine (700mg)

ALCAR is a compound that can increase the potential of mitochondria to burn fat [1]. It can increase exercise-induced fat oxidation meaning that your body will prioritise fat as a source of energy production while you exercise. As a result it has been shown to decrease fat mass, particularly in the elderly [2]. It may also increase focus, one of the promises that Jacked Factory has made.

Green Tea Extract (450mg)

One of the best fat burning ingredients out there, green tea extract will increase your fat oxidation, and increase fat burning. It is also cardio protective (keeps your heart healthy) and may also help protect you against some cancers. There is also an effect on blood flow, and an increase in good cholesterol.

Caffeine (270mg)

A large dosage of caffeine is added to the caffeine from Green Tea. Again, caffeine has many benefits associated with it but can increase your metabolism and increase fat oxidation. It can also help cognitive performance (which is why students use it when revising), and temporarily improve your mood.

Capsimax (50mg)

Cayenne pepper extract is a great fat burning ingredient, it is capsicum (found in cayenne pepper) that increases your body temperature and therefore your metabolism. If you’ve ever found yourself sweating whilst eating a particularly spicy meal then you’ll understand.

Bioperine (5mg)

While the main function of Bioperine is to increase absorption of the other ingredients, it does also produce a small fat burning effect. Which is why it is so popular with fat burners.

The Bottom Line

Only five ingredients contained, but all of them essential to the product. BURN-XT is a fantastic fat burner from Jacked Factory and well worth your time. The high amount of caffeine would provide excellent results on its own, but add to it the 50mg of Capsimax, 700mg of ALCAR, and the small fat burning potential of Bioperine, and you have a really effective fat burner.

View our Top 10 Fat Burners for 2018 list here


[1] https://examine.com/supplements/l-carnitine/

[2] Malaguarnera, M., Cammalleri, L., Gargante, M., Vacante, M., Colonna, V., Motta, M. 2007. L-Carnitine treatment reduces severity of physical and mental fatigue and increases cognitive functions in centenarians: a randomized and controlled trial. The American Journal of Clinical Nutrition 86(6): 1738-44

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