Boldenone Undecylenate

Boldenone undecylenate, or boldenone undecenoate, sold under the brand names Equipoise and Parenabol among others, is an androgen and anabolic steroid (AAS) medication which is used in veterinary medicine, mainly in horses.It was formerly used in humans as well. It is given by injection into muscle.

Side effects of boldenone undecylenate include symptoms of masculinization like acne, increased hair growth, voice changes, and increased sexual desire.The drug is a synthetic androgen and anabolic steroid and hence is an agonist of the androgen receptor (AR), the biological target of androgens like testosterone and dihydrotestosterone (DHT).It has strong anabolic effects and moderate androgenic effects, weak estrogenic effects, and no risk of liver damage.Boldenone undecylenate is an androgen ester and a long-lasting prodrug of boldenone in the body.

Boldenone undecylenate was introduced for medical use in the 1960s. In addition to its medical use, boldenone undecylenate is used to improve physique and performance. The drug is a controlled substance in the United States and its use is generally illicit. It remains marketed for veterinary use in Australia and the United States.

Boldenone undecylenate is an anabolic steroid that is commonly known by its brand name, Equipoise. It is derived from testosterone and is primarily used in veterinary medicine for horses, but it has also been used illicitly by bodybuilders and athletes.

Boldenone undecylenate is classified as a controlled substance and is listed as a prohibited substance by various sports organizations and anti-doping agencies, including the World Anti-Doping Agency (WADA). Its use in competitive sports is banned due to its potential to enhance athletic performance and the associated health risks.

As an anabolic steroid, boldenone undecylenate promotes protein synthesis and increases nitrogen retention in the muscles, leading to muscle growth and improved recovery. It also increases red blood cell production, which can enhance endurance and oxygen-carrying capacity.

 

 

 

Boldenone undecylenate is a prodrug of boldenone, and hence is an agonist of the androgen receptor. Boldenone has strong anabolic effects and moderate androgenic effects.It also has low estrogenic activity and has little or no progestogenic activity. In relation to the fact that it is not 17α-alkylated, boldenone and boldenone undecylenate have little or no risk of hepatotoxicity.

The activity of boldenone is mainly anabolic, with a low androgenic potency. The drug is commonly used in doping within bodybuilding, even though this use is illegal. If intended to assist in bodybuilding, the drug is taken as part of a steroid stack of other anabolic steroids, usually with a potent androgen like testosterone as the 'base' of the stack. Boldenone is an androgen that differs from 17b-testosterone (17b-T) by only one double bond at the 1-position, and the removal of the methyl group protecting the 17-OH group allows it to be orally active.

 

 

Boldenone undecylenate is a prodrug of boldenone.When administered via intramuscular injection, a depot is formed from which boldenone undecylenate is slowly released into the body and then transformed into boldenone.The drug possess a biological half-life of 14 days when administered by intramuscular injection.Boldenone is a substrate for 5α-reductase and may be converted by this enzyme into 1-testosterone (δ1-dihydrotestosterone, δ1-DHT, dihydroboldenone) in tissues that express it such as the skin, hair follicles, and prostate gland. However, its affinity for this enzyme is said to be extremely low.

 

 

Biological Half-Life: 14days

See also: List of androgens/anabolic steroids and List of androgen esters

Boldenone undecylenate, or boldenone 17β-undec-10-enoate, is a synthetic androstane steroid and a derivative of testosterone.It is the C17β undecylenate (undecenoate) ester of boldenone (δ1-testosterone, 1-dehydrotestosterone, or androsta-1,4-dien-17β-ol-3-one), which itself is the C1(2) dehydrogenated analogue of testosterone and a naturally occurring androgen found in the scent gland of Ilybius fenestratus (a species of aquatic beetle).Boldenone is the non-17α-alkylated variant of metandienone (17α-methyl-δ1-testosterone). An AAS related to boldenone undecylenate is quinbolone (δ1-testosterone 17β-cyclopentenyl enol ether)

 

 

1) Trade names:Boldane, Equipoise, Parenabol, Vebonol, others
2) Other names:Boldenone undecenoate; Ba 29038; Boldenone 17β-undec-10-enoate; Δ1-Testosterone 17β-undec-10-enoate; 1-Dehydrotestosterone 17β-undec-10-enoate; Androsta-1,4-dien-17β-ol-3-one 17β-undec-10-enoate
3) CAS Number: 13103-34-9
4) PubChem: CID 11954310
5) Formula: C₃₀H₄₄O₃
6) Molar mass: 452.679 g·mol−1

 

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Boldenone undecylenate, also known as Equipoise, is an anabolic steroid that is commonly used in bodybuilding and athletic performance enhancement. It is derived from testosterone and has both anabolic (muscle-building) and androgenic (masculinizing) effects.

In bodybuilding, boldenone undecylenate is typically used to promote muscle growth, increase strength, and improve endurance. It is favored by some athletes due to its relatively mild nature compared to other anabolic steroids, as it tends to have a lower risk of estrogenic side effects, such as water retention and gynecomastia (development of breast tissue in males).

Boldenone undecylenate is believed to work by increasing protein synthesis, promoting nitrogen retention in the muscles, and enhancing red blood cell production. These effects can lead to an increase in muscle mass, improved recovery between workouts, and enhanced athletic performance.

It is worth noting that the use of anabolic steroids like boldenone undecylenate for non-medical purposes, including bodybuilding, is considered illegal in many countries without a prescription. Steroid use also carries various risks and potential side effects, including cardiovascular issues, liver damage, hormonal imbalances, and psychological effects. It is always important to consult with a healthcare professional before using any performance-enhancing substances.

 

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