Prime Nutrition EXO-13 Fat Burner Review

Prime Nutrition EXO-13 Fat Burner Review

my bite


First Look

Black and moody, this fits in well with the other line for products from Prime Nutrition. There’s nothing wrong with it but it does tend to attract the type of person that wants to feel slightly rebellious by taking it and that they are ‘big time’ by taking something that could border the lines of legality.

I used to be attracted to these kind of products because they looks and feel ‘underground’.

As if only those in the know would take these because of how strong they were. Little did I realize it was nothing more than packaging.

The label also states it is not for beginners. Obviously.



Vitamin B6 – Using it in its most natural form, pyridoxine, B6 is an essential nutrient to raising the body’s metabolism and aiding the fat burning process.

Vitamin B12 – B12 fights fatigue, muscle wastage, boosts mood, cognition and is vital to many bodily functions including metabolism and food digestion.

So to put it bluntly, we need this for smooth operation and be able to smash those workout sessions which in turn helps you burn fat and lose those unwanted pounds.

Caffeine – It stimulates the central nervous system (CNS), heart, muscles, and the centers that control blood pressure to give you an extra boost and hit that PB. This is found in Instant Knockout which we massively rate.

Folic Acid (Vit. B9) – There’s many benefits of Folic Acid, treating kidney problems is one of them. Folic acid can also help produce more testosterone along with B12 but also necessary to form red blood cells and is also necessary in the formation of DNA.

Caffeine Anhydrous – The purest form of caffeine available.  It stimulates the central nervous system (CNS), heart, muscles, and the centers that control blood pressure to give you an extra boost and hit that PB.

This is found in Instant Knockout which is the best fat burner available at present.

1,3-Dimethylamylamine (DMAA) – 1,3-DMAA is a neural stimulant with a structure similar to Ephedrine and adrenaline that has been used as a pre-workout stimulant.

Not much information is available on 1,3-DMAA supplementation, and is no longer commonly sold as a supplement.

Because it is structurally similar to amphetamine it can cause false readings for doping tests and should not be used by competitive athletes.,3-dimethylamylamine/

Juglans Regia Extract – Studies have shown to have anti-diabetic effects in rats.

Eria Jarensis Extract – Touted as the next big thing, however, there are no supporting studies available to support this claim.

The only information about this plant extract is available on websites whereby they have an interest in making it sound great because that would lead to sales.

Velvet Bean (Macuna Pruriens) – This is actually good for treating people with Parkinsons. There’s a mixed bag of results for testosterone but look mainly positive.

Results have shown an increase in testosterone levels in infertile men, however, results are very limited for fertile men. It is effective to reduce cortisol levels – high stress levels can harm testosterone production.

Huperzine-A – Patients treated with Huperzine showed improvements in their memory, cognitive, and behavioral functions.

Bitter Orange (Citrus Aurantium) – At present, Citrus aurantium may be the best thermogenic substitute for ephedra. However, more studies are needed to establish this definitively.

Vinpocetine – Vinpocetine is commonly used for enhancing memory and alertness. It is also used in conditions that harm learning, memory, and information processing skills as people age.

Additionally, Vinpocetine may be able to protect the brain from damage caused by strokes and help reduce the risk of ischemia.–_a_PDE1_inhibitor/links/0c96051aeaa484662a000000.pdf

Yohimbe – Related to Yohimbine, Yohimbe is a powerful stimulant and used to increase fat loss as well as assist with erectile dysfunction.

Can cause a host of other problems though, this is in out supplements to avoid list.

3, 5-Diiodo-L-Thyronine – Very much a case of mixed results and theories on this as a supplement. The most concern being over the side effects from prolonged use. Caution is advised.

Noopept (N-phenylacetyl-L-prolylglycine ethyl ester) – This is a nootropic which may alleviate cognitive decline. however, there isn’t any evidence that would suggest that it benefits people with no cognitive issues.

Cayenne Pepper – The hot and spicy taste of cayenne pepper comes from capsaicin, a compound found in many hot peppers.

Capsaicin is known to boost metabolism, causing the body to produce extra heat and burn more calories for fuel. This is found in our favorite fat burner Instant Knockout.

Zingerone (Ginger) – Recent studies have revealed that the zingerone present in ginger has potent lipolytic activity.

Workers showed that zingerone dissolves body fat, in high fat diet fed animals. Zingerone lowers blood sugar level after the oral administration of glucose in ovariectomized rats.

Stearoyl Vanillylamide – Appears to enhance adrenaline secretion in rats. Adrenaline provides that energy required to smash out that HIIT session.


Only 2 capsules per day which equates to a measly 1144mg per day, this is not the lowest we’ve seen but, it is not quite up there with the big boys.


There are 8 fat burning ingredients present which is great, but there are 18 ingredients…

There are also a couple of nootropic ingredients here which can aid cognitive function which I find particularly odd that they are included.

So, whilst there is a bit of a mish-mash of ingredients there are the ingredients present to promote fat burn.


If taken at purely face value and beside the ingredients that are a little unrelated to fat burning or raising metabolism one would think we are on to a winner with this product, to be fair it is not horrendous.

However, there are a few concerns:

DMAA can cause issues for athletes who are subject to drug testing due to the similarities of amphetamines, as a result it is rarely sold as a supplement anymore.

There is a bit of concern over the long lasting effects from supplementation of 3, 5-Diiodo-L-Thyronine.

Yohimbe can cause a plethora of issues and is best avoided.

Three of the ingredients are in their little own proprietary blend, however, the overall dose per day is really quite low and nothing compared to the substantial doses that can be found in the competition.


This is not the greatest formula of fat burning ingredients but it isn’t too bad, due to the massive amount of overall ingredients the decent 8 do get lost among them all.

However, if they were by themselves and the ingredients doses were doubled it would fair much better.

With the risks aside concerning the yohimbe and the DMAA we have a good offering from Prime Nutrition.




> Increase metabolism

> Increase Energy

> No banned ingredients

> Thermogenics

> Get the BEST deals


Ben BA(Hons), PGCert

Ben established this site to be a free resource in 2015. Since then it has gained over half a million visits. He has always been interested in sport and he started playing rugby at the age of 6 represented his town, county and school. Ben also enjoys cycling, has started skiing and is in the Army Reserve representing his Regiment as part of the 150 Regimental Shooting Team. He holds a bachelor's and postgraduate degree in sport exercise & nutrition.

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