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Test Prop

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Test Prop

Testosterone Propionate100mg/ml

10ml Vial

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£ 28.00

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Testosterone was the first steroid to be synthesized, and now it remains the standard against which all steroids are compared.

Testosterones anabolic/androgenic ratio is 1:1 meaning it is exactly as anabolic as it is androgenic. while metabolizing adipose. The drug boosts strength and overall endurance levels.


Compound:                                        Testosterone Propionate

Dosage:                                              100mg/ml 

Anabolic/Androgenic ratio:             100/100

Administration Rate:                       Every other day or every third day



Testosterone base + Propionate ester

Effective Dose (Men): 350-2000mg + week.

Effective Dose (Women): 50-100mgs/week

Active life: 2-3 days

Detection Time: 2-3 weeks


Increased Strength:

Increased Muscle Mass

Reduced Body-Fat

Increased Recovery

Increased Levels of IGF-1

Increased Sex Drive

A Greater Sense of Well-Being

Increased Energy

Greater Athletic Performance


Testosterone Propionate promotes nitrogen retention in the muscle and the more nitrogen the muscles hold the more protein the muscles store, and the bigger the muscles get. Testosterone Propionate can also increase the levels of another anabolic hormone, Insulin Growth Factor – 1 (IGF-1).

IGF-1 is highly anabolic and can promote muscle growth. It is responsible for much of the anabolic activity of Growth Hormone (GH). IGF-1 is also one of the few hormones positively correlated with both muscle cell hyperplasia and hyperphasia (this means it both creates more muscle fibres as well as bigger fibres). Testosterone Propionate also has the amazing ability to increase the activity of satellite cells. These cells play a very active role in repairing damaged muscle. Testosterone also binds to the androgen receptor to promote all dependent mechanisms for muscle gain and fat loss.

Testosterone Propionate has a profound ability to protect your hard earned muscle from the catabolic (muscle wasting) glucocorticoid hormones, and increase red blood cell production, a higher count will improve endurance via better oxygenated blood. The former trait increases nitrogen retention and muscle building while the latter can improve recovery from strenuous physical activity, as well as increase endurance and tolerance to strenuous exercise.

Testosterone Propionate is also a relatively safe steroid to use, with some studies showing no adverse effects from 20weeks at 600mgs/week

Testosterone Propionate is simply testosterone; defined by the ester attached. To fully understand the compound we need only understand two things; the active hormone itself and then the ester and how it affects its mode of action in-terms of time release and active duration.

Testosterone Propionate is a highly anabolic and androgenic hormone, equal in both parts. As a testosterone based hormone it is generally well-tolerated by all who supplement with it as testosterone is naturally produced in the body and is not a foreign hormone to natural human function. Testosterone is naturally produced by all human beings. Those who suffer from low levels of testosterone will suffer from a host of issues including, but not limited to, decreases in strength and muscle tissue, decreased libido, insufficient immune system function, depression and increases in body-fat.

Testosterone Propionate Stack

What other steroids stack well with Testosterone Propionate? Well more or less everything, and realistically, every cycle should contain testosterone. Many peoples favour stacking with Equipoise, Deca or Primo, but really, anything will stack well with Testosterone Propionate. Such stacks will promote a nice steady growth in lean muscle and overall size. For cutting cycles people tend to use Trenbolone, Mast and Winstrol.

It’s important to remember that Testosterone Propionate is a very short ester, therefore it is considered wise to stack it with other short estered drugs.  The thought process behind this is that if one needs to have a course of frequent injections for the Testosterone Propionate to be effective, so they may as well be using other drugs requiring the same dosing frequency.

Side-Effects of Testosterone Propionate

All anabolic steroids carry with them possible negative and adverse side-effects. However, often the effects are highly exaggerated and it is important to note that through responsible use side-effects can largely be controlled and often of little concern at all. The most common side-effects of Testosterone-Propionate use will be estrogenic related due to the aromatase process. As testosterone will convert to estrogen via the aromatase enzyme common side-effects include but are not limited to:

Gynecomastia - Water Retention - High Blood Pressure - High Cholesterol

We can greatly reduce these side-effects by taking two precautions; ensuring our diets are full of healthy omega fatty acids and through the use of quality aromatase inhibitors such as Arimidex or Letrozole. However, the use of any testosterone supplement will suppress your natural production of testosterone and will cause testicular atrophy in all males, however, once use is discontinued normal production will begin again and testicular size will return to normal.


On Armor produces performance enhancing products including Anabolic Androgenic Steroids, Post Cycle Therapies, Human Growth Hormone and Peptide products.  As a company we strive to produce the most affordable, best quality and versatile range of performance enhancing supplements for all of our customer’s requirements. All of our products are based on validated scientific research and supported by a company that prides itself on providing the very best in service and support for all of its customers and their specific needs. Ultimately we make no excuse for the design and use of our products, they are not for designed for medical purposes but designed and manufactured specifically to support your diet, you training and your existing supplement program. Our products give bodybuilders, strength and performance athletes and anyone looking to excel in their chosen sport the edge.

The Company

On Armor was founded in 2014 by a group of individuals all of which wanted to develop a range of superior products based upon their wealth of experience from the world of performance training, nutrition and alternative supplements. The first group of individuals are well respected for their experience and results in the strength training, bodybuilding, and strongman industry, the second group has extensive knowledge of supplements, nutrition and the role which these play in our bodies development and overall performance. The last of the On Armor group is made up from those who advise upon, design, develop and manufacture performance enhancing products such as AAS.

At the heart of the On Armor concept is the drive to develop and maintain a high quality product range and provide a new wave of life into a copycat saturated industry to satisfy the demands of an ever changing climate and the vigorous demands of the bodybuilding and performance athletes market as a whole.

We understand that whilst some people do not want to compete they still want the best look and the best performance from their own workouts, body and training programs. The ON Armor brand accommodates this requirement with a range of products that give anyone, pro athlete or the average person who wants a better body, the building blocks to succeed in their ultimate goal.

With state of the art production facilities occupying over 10,000 square feet of operating space, the way in which On Armor products are products is one of the most cutting edge and possibly the most hygienic anywhere. 

On Armor is able to control the integrity of all of our products through our unique relationship with our licenced manufacturer. Unlike other UGLs, our products are produced, under contract, by a pharmaceutical company that also manufacture their own licenced products. Using the very best Active Pharmaceutical Ingredients (Raws) our products are verified through random in-house and independent laboratory testing consistently. Laboratory services are used to confirm the purity and potency of every ingredient on our labels to ensure you get the exact results you were expecting from each and every product.  Unlike other companies, you can be assured that we will always provide EXACT dosed products, using superior raws and ingredients.

Remember, we use our own products and want the best results from our training too.


As people who live and advocate active and bodybuilding lifestyles ourselves, we believe that every consumer should be able to purchase reasonably priced premium quality products. We have established long term contracts with our manufacturer, qualified raw material suppliers, printers and equipment suppliers to reduce our costs and provide you the most competitively priced, fully dosed, performance supplements on the market today.

We know that people are making smarter purchasing decisions. On Armor products bridge the gap between expensive licenced products and cheap, inferior, underdosed UGL products by using a licenced manufacturer to produce all of our products and carrying out the packaging ourselves. On Armor products provide a fresh approach, making high quality products available to everyone, who wants to maintain a healthy lifestyle and athletic performance, at the most affordable price. 

Customer Satisfaction

We pride ourselves on customer loyalty and reflect that this can only be gained through our ability to create the best performance enhancing supplements that provide proven results again and again. At On Armor, we are always striving to improve our products and practices. We listen to our customer feedback and proactively seek to redress issues. Our customers make us who we are today because we always find a way to meet your needs. We always have teams and individuals who can respond quickly to change circumstances, whatever they are.

Customer Support and Advice

It is not just the quality of our products that sets us apart from other brands and other products, it is the level of support and advice we offer you as customers and users of the ON Armor range of products. This website is filled with help and advice on all of the products we provide, general information on the use and application of these products and other items such has Post Cycle Therapy, training and nutrition.

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