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Xtreme Muscle Pro and TST Fuel are two new weight loss and muscle building supplements that are being promoted as having the ability to help people quickly and easily build muscles when compared to work out plans with no supplement use. 

How Does It Work?

According to their website, TST Fuel is a testosterone booster while Xtreme Muscle Pro is a fat burning supplement, and the combination of these types of supplements used together on a regular basis, in combination with a workout plan, can help users gain fast muscle mass.

While the Men’s Health advertorial claims that in order to use these supplements together correctly they should take one Xtreme Muscle Pro pill in the morning and one TST Fuel pill in the evening, the TST Fuel website says that for best results users should take a TST Fuel pill in both the morning and the evening. 

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Ingredients and Side Effects

Xtreme Muscle Pro lists their three main, active ingredients as L-Arginine, Creatine Ethyl Ester, and Beta-Alenine. These ingredients are described by the website as improving body composition, muscle mass, stamina, endurance, and providing other health benefits as well. 

While L-Arginine and Beta-Alenine are both frequently taken as workout supplements, there is not enough scientific evidence to prove that they really offer significant benefits to your body during or after a workout. Creatine, on the other hand, has been scientifically affiliated with the effects this website promises, but this research has been mixed. The bottom line appears to be that it only improves performance for short periods of time, but there are some people who will never see a benefit from Creatine use. 

TST Fuel lists their active ingredients as Tribulus Terrestris, Longjack, Fadogia Agrestis, and L-Dopa. This combination is described as being able to raise your testosterone in as little as four weeks. Unfortunately no scientific research has proven or even indicated that these ingredients will have any effect on your body’s levels of testosterone at all. 

Finally, and very importantly, all of the above ingredients have some side effects they are associated with, so users should speak with their doctors before incorporating this supplement into their daily routine. 

Cost/Price Plans

Both Xtreme Muscle Pro and TST Fuel can be tested during a 14 day trial period for just the cost $4.95 of Shipping and Handling for each supplement. Customers who decide to keep the supplements should do nothing, and they will be charged $89.95 for the Xtreme Muscle Pro and $95.95 for TST Fuel at the end of the 14 day trial and every 30 days after. 

Customers who do not wish to continue with this supplement must contact their Customer Service team and make sure to cancel their enrollment during their trial period. 

Refund Policy

Both these products offer the same Refund Policy, saying that there are no refunds available for products that were purchased in accordance with the free trial system and were not cancelled in the 14 day trial period. If you become an autoship customer, you are able to return a product within 30 days of receiving, but only if your product is unopened and unused. Shipping and Handling costs are always the responsibility of the buyer and will never be refunded.    

Customer Service Contact Info

Customers who would like to contact Customer Service with any questions, concerns, or complaints can do so by phone at 866-883-4981 and [email protected] for Xtreme Muscle Pro or by phone at 866-887-5151 and [email protected] for TST Fuel. 


Unfortunately there are many, many red flags for this company at this time. First and foremost, these supplements are being promoted by an advertorial on, an advertorial which is trying its best to appear as and represent itself as being affiliated with the respected magazine Men’s Health, when it absolutely is not. 

Then, both this advertorial and the websites of the products themselves references the ingredients used in these supplements as “clinically proven to flush out the toxins in your body, melt away body fat and pack on tons of muscle,” when the reality is that not a single one of these ingredients has been proven to do any of these things. In fact, some of these ingredients can have negative side effects if taken too often and in too high of dosages, but these websites don’t reveal their ingredient dosages so users are unable to decide whether this product is safe for them to use until they have already ordered it. 

And finally, this is a company which forces customers to take part in a “trial period,” which then ultimately disqualifies them from being eligible for a refund if they are unhappy with the product they receive.  

Competitors and Alternatives?

There are many different products that make these same claims, including Beyond Human Testosterone, Testo Shred, TestoStorm and RageDNA, and more.

If you have experience with this company or their products, please leave your Xtreme Muscle Pro and TST Fuel reviews below.