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Kimberly Tenner
November 30, 2019

Inner Armour Blue Shred Factor Review

Inner Armour Blue Shred Factor

Shred Factor is a new diet pill included in the Inner Armour Blue product line. This product amplifies metabolism and induces thermogenic weight loss.

It can be used by professional athletes wanting to reduce fat percentage or individuals trying to meet weight loss goals. According to, professional NFL athletes regularly use Inner Armour products to achieve maximum performance and ideal body composition.

Inner Armour is a respected British supplement company claiming to be “undeniably the best in the world.” I tested Inner Armour’s reputation for quality by researching Shred Factor’s ingredients.

Ingredients for Shredding Fat

Based on the ingredient label, Shred Factor uses all-natural ingredients. The most potent ingredients are below:

Green Tea Leaf Extract (50 mg) burns fat through thermogenesis and fat oxidation. It also causes respiration in brown adipose tissue, removing accumulated fat. Green tea is also effective for suppressing appetite and reducing food intake.[1]

For weight loss, 100-750 mg per day is recommended.[2] Shred Factor might not contain a sufficient dose to deliver results.

Caffeine (200 mg) increases resting metabolic rate by 3-4%, according to one study. It also stimulates thermogenesis and increases energy. Researchers conclude caffeine “can have a significant influence on energy balance and may promote thermogenesis in the treatment of obesity.”[3]

This study used a dose of 100 mg per day to produce these results.[3] Shred Factor contains twice this amount but should still fall into a safe dosing range.

Raspberry Ketone (100 mg) stimulates secretion of adiponectin, a hormone that regulates adipose tissue. This increases lipolysis in white adipocytes, which burns existing fat storage and prevents future fat accumulation.[4]

Most studies on raspberry ketone have been conducted on animals. More research is needed to determine the optimal dose for humans.

Cayenne Pepper (50 mg) stimulates lipid mobilization from fat tissue, lowering the weight of perirenal adipose tissue. It also lowers serum blood triglycerides and promotes healthy cholesterol.[5] It may also suppress appetite, but more studies are needed to confirm this.[6]

An adult dose usually falls between 30-120 mg up to three times daily.[6] I’m not sure if Shred Factor contains enough to deliver desired effects.

Green Coffee Bean (200 mg) contains high concentrations of chlorogenic acids, which influence glucose and fat metabolism.

One study gave subjects a high dose (1050 mg) or a low dose (700 mg) green tea. Both doses were successful at reducing body weight and body fat mass. Several subjects shifted body weight from pre-obesity to the normal weight range. These results were accomplished without altering dietary intake.[7]

However, I don’t think Shred Factor contains enough to provide full benefit.

L-Carnitine Tartrate (125 mg) encourages weight loss by stimulating fat oxidation in adipose tissue.[8] It is also a potent performance enhancer. It optimizes the body’s recovery process after working out. It also reduces chemical muscle damage inflicted from exercise.[9]

Clinical studies have proven a dose of 3 g per day is effective[8]; although, some experts suggest taking 990 mg two to three times a day.[10]

I don’t think Shred Factor contains enough to have a notable effect on weight loss or performance.

Recommended Use provides recommendations for using Shred Factor.

An individual serving is 2 capsules. It is recommended to begin dosing with 1 capsule to determine personal tolerance. You may take a full serving once tolerance is established. Keep to 1 capsule if you have caffeine or stimulant sensitivity.

A full serving can be consumed 1-2 times daily. The best time is 30-45 minutes before breakfast or lunch.

Do not consume Shred Factor within 6 hours of going to bed. This product is stimulating and may cause insomnia.

Possible Side Effects

Some ingredients in Shred Factor pose a possibility for side effects or unpleasant reactions.

For instance, L-carnitine might cause sweat, breath, and urine to have a fishy odor.[10]

Also, the combination of caffeine and raspberry ketone might cause symptoms such as jitteriness, nervousness, agitation, chest pain, ringing in the ears, rapid heartbeat, and heart palpitations.[11][12]

The green tea content in Shred Factor might negatively interact with a number of medications including birth control pills, anti-depressants, chemotherapy drugs, and blood thinners. If you are taking prescription drugs, consult your doctor before using Shred Factor.[2]

Where to Purchase Shred Factor

The entire Blue product line will become more accessible in the near future. Shred Factor is scheduled to sell on and

Here is a list of available online retailers:

• – $23.51
• – $21.99
• – $20.09

I recommend buying from This company has refund options in case the product disappoints. For more information, call customer service at (860) 656-7720.

Is Shred Factor Right For You?

Shred Factor contains clinically proven ingredients, although not all ingredients are included at an effective dose. This makes me question Shred Factor’s efficacy, but unfortunately it is hard to determine effectivness until customers review it.

This product should be safe for most people, although it is probably not the best choice for people sensitive to stimulants.

Considering the low price tag, it wouldn’t hurt to buy a bottle and try it. If you buy from, you have the option of claiming a refund.


[1] Yung-hsi Kao, Richard A. Hiipakka, Shutsung Liao. “Modulation of obesity by a green tea catechin.” Am J Clin Nutr. November 2000, Vol. 72 No. 5. Pages 1232-1233. Available from:

[2] “Green Tea Overview.” University of Maryland Medical Center. Available from:

[3] A.G. Dulloo, C.A. Geissler, T. Horton, A. Collins, D.S. Miller. “Normal Caffeine Consumption: influence on thermogenesis and daily energy expenditure in lean and postobese human volunteers.” Am J Nutr. January 1989, Vol. 49, No 1. Pages 44-50. Available from:

[4] Kyoung Sik Park. “Raspberry Ketone Increases Both Lipolysis and Fatty Oxidation in 3T3-LI Adipocytes.” Planta Med 2010; 76: 1654-1658. Available from:

[5] Teruo Kawada, Koh-Ichiro Hagihara, Kazuo Iwai. “Effects of Capsaicin on Lipid Metabolism in Rats Fed A High Fat Diet.” The Journal of Nutrition. June 11, 2009. Pages 1272-1278. Available from:

[6] “Cayenne Overview.” University of Maryland Medical Center. Available from:

[7] Joe A. Vinson, Bryan R. Burnham, Mysore V. Nagendran. “Randomized, double-blind, placebo-controlled, linear dose, crossover study to evaluate the efficacy and safety of a green coffee bean extract in overweight subjects.” Diabetes Metab Syndr Obes. 2012; 5: 21-27. Available from:

[8] Klaus D. Wutzke and Henrik Lorenz. “The Effect of L-Carnitine on Fat Oxidation, Protein Turnover, and Body Composition in Slightly Overweight Subjects.” Metabolism. Volume 53, Issue 8, August 2004, pages 1002-1006. Available from:

[9] Jen-Yu Ho, William J. Kraemer, Jeff S. Volek, Maren S. Fragala, Gwendolyn A. Thomas, Courtenay Dunn-Lewis, Michael Coday, Keijo Hakkinen, Carl M. Maresh. “L-Carnitine-L-Tartrate supplementation favorably affects biochemical markers of recovery from physical exertion in middle-aged men and women.” Metabolism. Volume 59, Issue 8, August 2010, Pages 1190-1199. Available from:

[10] “L-Carnitine.” Available from:

[11] “Caffeine.” Available from:

[12] “Rasperry Ketone.” Available from:

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