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Kia's Korner
Article By: Kia Khadem MSc, CSEP-CEP, Pn1

‘Fat burners’ are the most popular category of nutritional supplements. They claim to limit fat absorption, increase fat burning, increase energy output, and increase weight loss.

Ingredients that promote fat burning are either sold alone or packaged as a blend and sold as ‘fat burners.’

Most ingredients included in ‘fat burners’, have no evidence backing up their effectiveness. Yet store shelves are overflowing with them. This is because the rate at which new ingredients is introduced to the market by the industry constantly outpaces research. On top of that, many companies make outrageous claims about their ‘fat-burners’. They exaggerate the results that are possible by using these products, and use useless ingredients.

‘Fat burners’ do work. Just not to the degree that the average person thinks they do.

Let’s take a look at a few ingredients that have scientific backing.

Caffeine

Caffeine is often supplemented as a pre-workout due to its cognitive and performance benefits. It is also commonly added to ‘fat burners’ because caffeine consumption promotes thermogenesis. There is also evidence for caffeine’s ability to enhance the body’s ability to burn fat. One study showed that even a low dose of caffeine (100 mg or one cup of coffee) can increase resting metabolic rate in lean folks up to 3-4%.[1]

That’s about 50-70 calories for a 150-pound person. Caffeiene is more powerful when consumed in an anhydrous state such as capsule, tablet, or powder form, as compared to coffee.[2]

Forskolin (Forskohlii extract)

Forskolin is produced by the Indian Coleus plant (Coleus forskohlii). In a 12-week long study with 30 obese men, forskolin has shown some promise.[3] The researchers reported improved body composition, reduced fat mass, and body fat percentage with twice a day supplementation of 250mg of 10% forskolin extract.

Green Tea Extract

Green tea extract seems to have a positive effect on fat metabolism at rest and during exercises and appears to be a good fat loss agent.[4] Green tea extract and caffeine have a potential synergistic effect. But these effects seem to be more pronounced in those people with a lower caffeine tolerance. And just like caffeine, the effects of green tea extract on fat burning are relatively small.

Black Pepper and Cayenne Pepper

A common spice in many households is Black Pepper. Piperine, a compound in black pepper increases the absorption of various drugs and supplements.[5]

There is also some evidence showing that capsaicin, a compound in cayenne pepper, may help curb appetite increase thermogenesis.[6] Ingestion of 150mg of capsaicin an hour before low intensity exercise increases fat burning rates. This has been demonstrated in untrained healthy men.[7]

Yohimbine

Although you won’t Yohimbine in Canada, readers outside of Canada can benefit from this information.

Yohimbine supplementation makes body fat cells more susceptible to fat loss, is an effective fat burner for young and athletic people, and is said to help burn ‘stubborn fat’, like love handles.[8] Yohimbine may cause side effects such as anxiety symptoms and elevated heart rate. So, it’s definitely not for everyone. Yohimbine requires proper timing and dosage in relation to exercise and meals to be effective. Lyle Mcdonald has a more indepth dosing and use.

To bring it this blog post home, remember that the body burns its fat stores as fuel when metabolism outpaces food intake. In other words, when there is a caloric deficit.

Metabolism slightly drops during the course of a fat loss diet and this can cause a plateau. Depending on the ingredients, ’fat burners’ can help dieters by causing a slight increase in metabolism, increase in fat breakdown, and suppressing appetite. All which can help set fat loss in motion.

Do most people need to use ‘fat burners’ to lose fat? No. I would say the folks who would get the most out using them are lean bodybuilding and physique athletes looking to get stage-ready. Anyone who does use these has to use them in addition to diet and exercise. The effects of these supplements alone are relatively small. Therefore, these supplements will not help you get the results you want without proper nutrition and training.

Click here to view the ingredients in IGNITION xT

References

[1] Dulloo, A. G., C. A. Geissler, T. Horton, A. Collins, and D. S. Miller. "Normal caffeine consumption: influence on thermogenesis and daily energy expenditure in lean and postobese human volunteers." The American journal of clinical nutrition 49, no. 1 (1989): 44-50.

[2] Goldstein, Erica R., Tim Ziegenfuss, Doug Kalman, Richard Kreider, Bill Campbell, Colin Wilborn, Lem Taylor et al. "International society of sports nutrition position stand: caffeine and performance." Journal of the International Society of Sports Nutrition 7, no. 1 (2010): 1.

[3] Godard, Michael P., Brad A. Johnson, and Scott R. Richmond. "Body composition and hormonal adaptations associated with forskolin consumption in overweight and obese men." Obesity Research 13, no. 8 (2005): 1335-1343.

[4] “Green Tea Catechins- Scientific Review on Usage, Dosage, Side Effects." Independent Analysis on Supplements & Nutrition. Accessed September 11, 2016. https://examine.com/supplements/Green+Tea+Catechins/.

[5] "Black Pepper - Scientific Review on Usage, Dosage, Side Effects." Independent Analysis on Supplements & Nutrition. Accessed September 11, 2016. https://examine.com/supplements/black-pepper/.

[6] Ludy, Mary-Jon, and Richard D. Mattes. "The effects of hedonically acceptable red pepper doses on thermogenesis and appetite." Physiology & behavior 102, no. 3 (2011): 251-258.

[7] "Capsaicin - Scientific Review on Usage, Dosage, Side Effects." Independent Analysis on Supplements & Nutrition. Accessed September 11, 2016. https://examine.com/supplements/capsaicin/.

[8] Yohimbine - Scientific Review on Usage, Dosage, Side Effects." Independent Analysis on Supplements & Nutrition. Accessed September 11, 2016. https://examine.com/supplements/Yohimbine/.

September 15, 2016 by Evan Ward