
Performance-enhancing drugs (PEDs) are substances that improve athletic performance and build muscle. They are widely available online, in health food stores, gyms, and through physicians. The most common PEDs include anabolic steroids, testosterone, human growth hormone, creatine, and ephedrine. While PEDs can be effective in improving muscle strength and endurance, they can also have negative side effects, including muscle hypertrophy, acne, hypertension, and thrombosis. Additionally, the misuse of PEDs is considered unethical and is banned by major sports organisations.
| Characteristics | Values |
|---|---|
| Definition | Performance-enhancing drugs (PEDs) are substances taken in non-pharmacologic doses to improve sports performance. |
| Types | Anabolic steroids, testosterone, human growth hormone, creatine, ephedrine, selective androgen receptor modulators, and more. |
| Availability | PEDs are easily accessible through various sources, including health food stores, gyms, the internet, foreign mail order, and physicians. |
| Effects | PEDs can improve muscle strength and endurance, build muscle mass, and enhance athletic performance. However, they can also have negative side effects, including acne, hypertension, cholesterol issues, and increased risk of heart disease. |
| Legality | The legality of PEDs varies. Some substances, like anabolic steroids, are illegal when not used for medical treatment. Synthol, an oil injected into muscles, is technically legal but has been linked to permanent muscle deformities and other harmful side effects. |
| Alternatives | Hard work, dedication, proper training, and a well-balanced diet are recommended as safer alternatives to achieve athletic excellence without the risks associated with PEDs. |
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What You'll Learn

Anabolic steroids
Performance-enhancing substances (PESs), also known as performance-enhancing drugs (PEDs), are used to improve athletic performance and build muscle. Anabolic steroids are one such class of drugs.
However, anabolic steroid misuse is common, with approximately 3 to 4 million people in the United States using them for nonmedical purposes. Athletes and bodybuilders may misuse anabolic steroids to enhance their performance and improve their physical appearance by increasing lean muscle mass. The doses taken for these purposes may be 10 to 100 times higher than those prescribed for medical conditions.
Misuse of anabolic steroids has been linked to various health problems and side effects, some of which can be severe or even life-threatening. Side effects in males can include male pattern baldness, prostate hypertrophy, testicular atrophy, and prostate cancer. Females may experience hirsutism, uterine atrophy, amenorrhea, breast atrophy, and thickening of the vocal cords (voice deepening). Other potential side effects for both sexes include acne, high blood pressure, blood clots, heart issues, liver damage, aggression, and major depressive disorder. It is important for individuals taking anabolic steroids to have regular appointments with their healthcare provider to assess the medication's effects and address any concerns.
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Testosterone
Performance-enhancing substances (PESs), also known as performance-enhancing drugs (PEDs), are substances that are used to improve any form of activity performance in humans. Testosterone is one such substance that can be used as a PED.
It is important to note that the use of testosterone as a PED is considered cheating by organized athletic organizations. Additionally, side effects of testosterone use can include male pattern baldness, oligospermia, prostate hypertrophy, testicular atrophy, and prostate cancer. Therefore, it is always recommended to consult a doctor before starting any form of hormone treatment.
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Human growth hormone
HGH has two primary functions: stimulating growth and impacting metabolism. HGH triggers growth in nearly every tissue and organ in the body, especially during puberty. HGH signals the cells in cartilage and bone to increase replication, allowing for growth in size. However, once the growth plates in the bones fuse, HGH no longer increases height. Instead, it helps maintain normal body structure and metabolism throughout adulthood.
HGH impacts metabolism by increasing the production of a hormone called insulin-like growth factor-1 (IGF-1). IGF-1 works similarly to insulin, controlling blood sugar levels. HGH also increases the concentration of glucose and free fatty acids. Several other endocrine hormones regulate HGH, including IGF-1, which inhibits HGH release through a negative feedback loop. However, HGH and IGF-1 secretion are interdependent, with HGH triggering IGF-1 release.
HGH has been studied for its potential benefits in various areas. For example, HGH is used as replacement therapy in adults with HGH deficiency, resulting in benefits such as reduced fat mass, increased lean mass, improved bone density, and reduced cardiovascular risk factors. Additionally, studies indicate that artificial HGH may enhance sexual performance in both men and women. However, it is important to note that HGH is not FDA-approved for this purpose.
In terms of athletic performance, HGH is considered a performance-enhancing substance (PES) or performance-enhancing drug (PED). While some individuals use HGH along with other PEDs to build muscle and improve athletic performance, the effect of HGH on athletic performance is not yet fully understood. Furthermore, the use of HGH for muscle building and performance enhancement is not approved by the FDA.
The distribution and use of HGH are highly regulated due to potential health risks and abuse in sports. In the United States, the Drug Enforcement Administration considers the off-label prescribing of HGH to be illegal. Additionally, the 1990 Crime Control Act classified human growth hormone as a controlled substance, restricting its use to authorized medical treatments.
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Synthol
Performance-enhancing substances (PESs), also referred to as performance-enhancing drugs (PEDs), are substances that are used to improve athletic performance in humans. PEDs can be used to enhance muscular work capacity and improve muscle strength.
The use of synthol can lead to short-term and long-term health complications, with some cases requiring surgery to remove muscle tissue harmed by synthol injections. Repeated synthol injections have resulted in severe side effects, including painful pressure and disfigurement in the injected muscle. Magnetic resonance imaging (MRI) of the affected muscle revealed scattered cystic fatty lesions, with histopathology showing inflammatory changes and fibrosis.
While synthol can make muscles appear larger, it is important to note that it does not improve muscle strength or function. For those seeking to build muscle safely, it is recommended to work with a trainer to develop a regimen of strength training and make dietary changes. Additionally, individuals should consult a physician or dietician to determine the best ways to improve athletic performance without relying on PEDs or supplements.
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Blood doping
There are several ways to achieve blood doping. One method is through blood transfusions, which can be autologous (using the athlete's own blood) or homologous (using blood from someone else with the same blood type). Another method is through the use of erythropoietin (EPO) injections, which stimulate the production of red blood cells. EPO is a hormone naturally produced by the kidneys that regulates the body's production of red blood cells. It is used medically to treat anemia and other conditions involving red blood cell loss. However, its misuse in sports has been banned by the World Anti-Doping Authority (WADA) due to its potential performance-enhancing effects.
Synthetic oxygen carriers, such as myo-inositol trispyrophosphate (ITPP), are also used in blood doping. These chemicals can increase the amount of oxygen released from red blood cells into the surrounding tissue. Additionally, hypoxia-inducible factor (HIF) stabilizers and the use of artificial hemoglobin ("synthetic blood") are other methods to increase the oxygen-carrying capacity of the blood.
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Frequently asked questions
Performance-enhancing drugs (PEDs) are substances taken to improve athletic performance.
Common PEDs include anabolic steroids, testosterone, human growth hormone (HGH), creatine, and ephedrine.
Anabolic steroids can increase muscle mass and strength by increasing the concentration of nitrogen in the muscles, which inhibits muscle breakdown. Other PEDs like Synthol are oils injected directly into the muscles to increase their size or change their shape.
PEDs can have dangerous side effects, including muscle hypertrophy, acne, hypertension, elevated cholesterol, thrombosis, and prostate issues in males. Some PEDs, like Synthol, can cause permanent muscle deformities and nerve damage.











































