What are Prohormones and How do They Work?

Are you interested in prohormones? Then you will find all information about the supplements, advantages and disadvantages and valuable tips in our article!
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In the fitness scene in bodybuilders and strength athletes are prohormones widespread and popular. But what is behind the preparations, how do they work and what are the advantages and disadvantages? We give you an overview of prohormones!

What are Prohormones?

In Prohormones is a so-called precursor hormones. They are sometimes called “light steroids”, “designer steroids” or “weak hormones”. Prohormones do not directly affect our body and organism, but they are involved in building the basic structure for our hormones. This happens when an enzyme in the body converts the prohormone into an active but mild anabolic steroid. Prohormones provide the body with a way to naturally produce hormones and they are steroids.

The basic purpose of prohormones is to increase your performance. They are very strong androgens and their basic functions are said to act like Testosterone and estrogens (Effect of Testosterone Booster). Prohormones have a more profound effect than SARMs because they have effects in the body that are more comparable to anabolic steroids and induce rapid muscle and strength gains. However, due to the rate-limiting effect caused by the enzyme conversion, the effects of prohormones are less than when taking anabolic steroids.

This is How Prohormones Work

In short, Prohormones increase testosterone levels by producing 5-6 mg testosterone from 100 mg androstenidione, for example. That is about twice as much as the body would produce without prohormone. Prohormones do not bring testosterone production to a standstill, they stimulate it.

Prohormones have different effects on the body. However, most people who take PHs (short for prohormones) want to benefit from the effects on the body’s androgenic, estrogenic and progestogenic receptors. Prohormone effects are largely mediated via these receptors, while other routes are of minor importance.

Prohormones, like anabolic steroids, are androgen agonists: that is, they act through their effects on the androgen receptor. A strong androgen receptor agonist means that effects related to the male hormone testosterone are particularly pronounced. These include, for example, increased aggressiveness, an increased sex drive and more fighting spirit.

The androgenic effects of prohormones also include a significant increase in muscle strength, large muscle gains and a hardening effect on the muscles, making the muscles feel denser and firmer. Prohormones that do not convert to estrogen tend to generate these types of muscle gains without water retention.

Typically, strong androgens, regardless of their anabolic or muscle building effects, are useful to promote strength gains through central nervous system (CNS) stimulation. A strong androgen is often similar in nature to dihydrotestosterone, a metabolite of testosterone. In addition, prohormones promote an increased production of red blood cells, which is why prohormone users generally experience great pumping power and vascularity.

Was sind Prohormone?

Benefits of Prohormones

Many bodybuilders and strength athletes use prohormones to increase their muscle growth. Taking a prohormone regimen can pretty well increase muscle size and strength. In addition, there are only minor side effects, especially when compared to anabolic steroids , even if they have to be investigated further. The prohormones are also at the top on the cost side, as they are cheaper than full-fledged steroids. In theory, they are the safe alternative to steroids.

There are all advantages of prohormones at a glance:

  • significant increase in muscle strength and muscle size
  • effective and strong short-term results
  • muscle growth between 5 – 6 kg possible
  • drastic increase in libido
  • has a positive effect on the mood
  • simple oral intake
  • cheaper than full-fledged steroids
  • fewer side effects than anabolic steroids
Vorteile von Prohormonen

Side Effects of Prohormones

The side effects of prohormones have so far not been researched in great detail because they hardly play any role in medicine. However, the supplements can damage your kidneys and liver. If PHs are taken as capsules or tablets, the active ingredient only partially gets into the bloodstream. The other part is excreted via the digestive tract and broken down via the liver.

Taking prohormones also slows down your body’s natural testosterone production. After completing your prohormone cycle, you have to make sure that your body’s testosterone production gets going again – for your health and to be able to maintain the majority of your muscle gains. Our Post Cycle Therapy (PCT) products are best suited for this.

A prohormone treatment usually lasts between four and six weeks. So your body is exposed to the strain for a longer period of time.

All disadvantages of prohormones at a glance:

  • daily dose quite high
  • can damage liver and kidney
  • Side effects have hardly been researched
  • due to oral use, a part is excreted unused.

The Best Prohormones

Die besten Prohormone

There is a long list of prohormones available on the market. Presenting them all would go beyond the scope of the article. We have therefore sought out the most popular prohormones and will take a closer look at them.

Androsterone (1-DHEA)

Androsterone is also known as 1-DHEA, 1-andro or 1-androsten-3b-ol-17-one. The prohormone is very effective even at moderate doses. It helps you gain lean muscle and strength, increase your overall performance, increase vascularity, and possibly even burn excess fat.

Another advantage of 1-androsterone (1-DHEA) is that it is not methylated. That means it’s a lot safer than a normal prohormone because it doesn’t put as much strain on the body.

4-Androsterone (4-DHEA)

The compound called 4-andro is a synthetic non-methylated prohormone with a high metabolic rate that can serve as an additive to 1-andro. First 4-andro converts to 4-androstenediol and then to testosterone. Users believe that 4-Andro is better at gaining muscle and strength since 4-Andro takes much less time to convert to testosterone.

The effects of 4-Andro include faster muscle building and an enormous pump during training, high libido / sex drive, an improved level of energy and concentration, a higher quality of sleep and a feeling of vitality and motivation.


This popular prohormone, also known as a trendion, is androgenic and was first launched in 2011. Trenavar is converted to the extremely powerful and effective Trenbolone so you can experience the full effect of the powerful anabolic steroid.

Because Trenavar transforms into one of the most powerful anabolic substances known to humans, the use of Trenavar leads to massive gains in muscle size, strength and vascularity. It also brings your fat burning to a very high level.


Halodrol (HD or H-Drol), also known as chlorodehydromethylandrostenediol or CDMA, is actually a derivative of testosterone. It is used primarily by men to develop lean muscle mass, to build muscle and to avoid water retention.

The prohormone halodrol can improve your strength by converting androsterone to DHT. It also promotes lean muscle development, increases protein synthesis and improves vascularity.


Epistane is a prohormone that is popular with many bodybuilders and strength athletes, especially those who are new to prohormone. Epistane is an excellent prohormone for people who want quick results in increasing lean body mass, improving fitness, increasing strength, and losing weight.

The effects of Epistane include significantly improved exercise performance, gain in strength, a visible increase in muscle mass all over the body, faster muscle and skeletal repair and the increase in dry, hard muscles. And all this without flatulence or water retention.

MethylStenbolone (Ultradrol, M-Sten)

MethylStenbolon is a new and strong methylated prohormone that quickly became very popular. M-Sten is a methylated prohormone that, like Superdrol, causes an extreme increase in muscle mass. This is the perfect prohormone to do a muscle building cycle. MethylStenbolon is a prohormone that is especially suitable for advanced users and not for beginners.

Prohormone bestellen – ganz einfach online

Order Prohormones - Easily Online

In many online shops for sports nutrition you can find and order the prohormones we presented and many other varieties. There are also sports supplements and dietary supplements that combine different prohormones. The advantage of online shops is obvious: You can compare the products, their ingredients and effects directly with one another and everything will be sent to your home quickly and easily.

Here are our recommendations for particularly strong and popular prohormone supplements and prohormone mix preparations:

Prohormone Mix of 3 highly effective prohormones and is the strongest muscle building product on the sports market. For more muscle mass and strength.

Prohormone Stack made of Ibutamoren (MK-677), Epistane and Trenavar for lasting and pure muscle mass within the shortest time. Without side effects!

Swiss Pharmaceuticals STANODROL

Stanodrol is a steroid for extreme muscle hardness and definition. With an effect comparable to stanozolol or Winstrol for increased vascular muscle growth.

Swiss Pharmaceuticals IGF-1 EXTREME

IGF-1 EXTREME is a highly anabolic peptide for significantly more muscle mass, improved muscle definition and regeneration. Furthermore, the prohormone supplement has Anti-Aging properties to slow down the aging process.

Innovative Labs Monster Plexx

Monster Plexx massively increases your testosterone level and increases sexual desire. Has a very strong anabolic effect and is one of the most effective prohormone complexes on the market! “Five Stack

BIGGER von ARCAS Nutrition ist ein Prohormon-Stack aus 4 hochwertigen Inhaltsstoffen.

BIGGER is a great volume prohormone, which consists of 4 high-quality substances (Epistan, DMZ, Methylstenbolon, Deca), supports the muscle build-up and provides clearly visible results after only one month.

RIPPED von ARCAS Nutrition  ist ein Prohormon Stack aus 3 hochdosierten Wirkstoffen. Halodrol, Trenavar und Adrenosterone für hochqualitative Muskelmasse.

PUMPER is an innovative combination of 4 extremely strong prohormones for crass energy, more concentration and endurance as well as long lasting muscle pumps. With Dymethazine, Methylstenbolon, Max LMG and Halodrol.



RIPPED is a unique combination of 3 powerful prohormones that lead to extreme muscle growth without unwanted water retention under the skin. With Halodrol, Trenavar and Adrenosterone.

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