Methylated prohormonesNon methylated prohormonesPCTProhormones

Prohormone basics

Prohormones are compounds that the body converts into hormones (usually into testosterones), thus their amount is increased from an external source. It is widely known that increased testosterone level improves athletic performance and it contributes to muscle building and regeneration. Just as taking any substance that changes the natural balance of hormones in the body, taking prohormones may also involve risk.

Possible side effects of prohormones

  • decreased libido
  • gynecomastia
  • hair loss
  • increased hair growth
  • joint pain
  • dull back pain
  • aggression
  • headache
  • skin acne

Because of the above mentioned factors, the use of prohormones requires thorough preparation. Prohormones are recommended for adult men only. Disregarding some exceptions, the use of prohormones should be followed by a so-called post cycle therapy the aim of which is to normalize hormone imbalance. To achieve it, in most cases, PCT products which are available in shops are good, but in case of some stronger prohormones (e.g. superdrol) medication might be necessary.

Main types

According to their structure, prohormones can be divided into two groups, they either contain a methyl group or not. The methyl group blocks the liver in degrading the active agent before its conversion. For this reason, the methyl group is poisonous for the liver. If one takes this type of prohormone, it is highly recommended to take liver protection products (e.g. milk thistle extract), as well. Prohormones that do not contain a methyl group do not make use of the liver in such a great extent, but because of the weaker conversion their dose is higher and thus their prices are higher too.


There is great diversity in terms of the legal status of prohormones. While most of them are legal in the USA and in the UK, in many other countries their status is either not clarified or it is banned to sell them.

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