
Synthol is a site enhancement oil used by bodybuilders to boost the cosmetic appearance of muscles. It is injected directly into the target muscle, where it expands the muscle tissue without improving muscle strength. Synthol is a mixture of oil, lidocaine, and benzyl alcohol. The oil acts as a bulking agent, the lidocaine is a local anaesthetic that helps reduce pain after injection, and the alcohol is said to be for sterilisation. Synthol muscles are not harder, but they do look bulkier and bigger. However, the results are purely cosmetic, and there is a risk of damaging muscle fibres or restricting their movement. The use of synthol can lead to several severe and potentially life-threatening side effects and health complications.
| Characteristics | Values |
|---|---|
| Purpose | Cosmetic muscle enhancement |
| Composition | 85% medium-chain triglyceride (MCT) oil, 7.5% lidocaine, 7.5% benzyl alcohol |
| Effects | Almost immediate, muscles balloon up quickly |
| Side effects | Muscle damage, nerve damage, skin problems, oil-filled cysts, cardiovascular issues, stroke, pulmonary embolism, muscle fibrosis, muscle deformity, infection, inflammation, pain |
| Longevity | Effects last 3-5 years |
| Legality | Legal and easily available online |
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What You'll Learn

Synthol injections cause muscle damage
Synthol is a site enhancement oil used by bodybuilders to boost the cosmetic appearance of muscles. It is injected into muscles to create larger bulges or change the shape of the muscle. Synthol is 85% oil, 7.5% lidocaine, and 7.5% alcohol. The oil acts as a bulking agent, the lidocaine is a local anaesthetic that helps reduce pain after the injection, and the alcohol is used for sterilisation purposes.
Synthol injections do not increase muscular strength or performance and are used solely for cosmetic purposes. The injections are permanent, and the compound progressively destroys the injected muscle. Once synthol takes hold in muscle tissue, it is never absorbed by the body. Instead, it hardens, leaving muscles large but damaged and not any stronger. Synthol can also cause muscle fibrosis, a painful and potentially irreversible condition that causes muscle tissue to become so scarred that it may die and have to be removed surgically.
There are several other serious dangers associated with synthol injections. Injection sites can become infected, causing redness, inflammation, and pus to form. If the needle damages a nerve, the pain could be permanent. Synthol can also lead to some serious, potentially life-threatening complications, including oil embolisms, myocardial infarction, cerebral strokes, ulcers, and infections.
Despite all of these side effects and risks, synthol is not illegal and is relatively easy to purchase, especially online. Many internet forums and websites tout the safety and effectiveness of synthol for muscle growth, but there is less reliable, science-based information about its dangers.
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Synthol does not increase muscle strength
Synthol is a substance injected directly into muscles to make them appear bigger. It is a site enhancement oil used by bodybuilders to boost the cosmetic appearance of muscles. It is a mixture of oil (85% - sometimes sesame, walnut, or paraffin), lidocaine (7.5% - a local anaesthetic), and benzyl alcohol (7.5%). The oil acts as a bulking agent, the alcohol is for sterilisation, and the lidocaine helps reduce pain after the injection. Synthol is not a steroid and has no medical value. It is important to note that synthol does not increase muscle strength and can cause several health complications.
Synthol does not improve muscle strength because it does not affect the muscle fibres responsible for contraction and relaxation, which are necessary for muscle movement and, consequently, strength. Instead, synthol causes muscles to expand and appear larger, but this is purely a cosmetic effect. The oil in synthol acts as a filler, giving the illusion of bigger muscles, but it does not enhance the function or performance of the muscles in any way.
In fact, synthol can have the opposite effect and actually decrease muscle strength. As it is not absorbed by the body, synthol can leave muscles damaged and scarred. This damage can lead to a loss of muscle function and strength. In some cases, surgery may be required to remove the injured muscle tissue, which can further compromise muscle strength and function. Thus, synthol injections can result in weaker muscles rather than stronger ones.
Additionally, synthol can cause muscles to appear deformed and unnaturally shaped. It can also lead to muscle fibrosis, a painful and potentially irreversible condition where muscle tissue becomes scarred and dies. This can cause further disfigurement and negative body image. The injections can also increase the risk of a cerebral stroke, as the substance can travel to other parts of the body and block blood vessels in the brain, heart, and lungs.
Despite the potential for immediate and impressive cosmetic results, the risks of using synthol far outweigh any perceived benefits. It is crucial to understand that synthol does not increase muscle strength and can, in fact, cause significant and long-term damage to the body. Safe alternatives to achieve muscle growth include following a proper bodybuilding regimen with aggressive strength training, dietary changes, and FDA-approved supplements.
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Synthol is permanent
Synthol is a site enhancement oil used by bodybuilders to boost the cosmetic appearance of muscles. It is injected directly into the muscles, causing them to expand and look larger. However, it is important to note that synthol does not increase muscular strength or performance and is solely for cosmetic purposes. The effects of synthol injections are almost immediate, and the muscles balloon up quickly.
Synthol is considered permanent because once it is injected into the muscle tissue, it is never fully absorbed by the body. The oil component in synthol hardens, leaving the muscles large but damaged and not any stronger. The effects of synthol can last for three to five years. During this time, the oil-bloated muscles may sag due to gravity, further altering their appearance.
The permanence of synthol injections can lead to long-term complications. As the oil remains in the muscles, it can cause ongoing inflammation and infection. In some cases, surgery may be required to remove the damaged tissue and alleviate the negative side effects. However, scarring from surgery may also be permanent, and muscle strength and function may be compromised if a large portion of muscle tissue needs to be removed.
The decision to use synthol should be approached with caution due to its permanent nature and potential risks. While it may provide a quick fix for those seeking larger muscles, it does not enhance strength and can lead to undesirable cosmetic outcomes and health complications. Therefore, it is essential to carefully consider the potential consequences before opting for synthol injections.
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Synthol can cause serious health complications
Synthol is a site enhancement oil used by bodybuilders to boost the cosmetic appearance of muscles. It is injected directly into the target muscle, where it expands the muscle tissue. However, synthol does not improve muscle strength and can cause serious health complications.
Firstly, synthol injections can cause muscle deformation and leave muscles misshapen and out of proportion to other muscles in the body. This occurs because synthol does not get absorbed by the body and instead hardens, leaving muscles large but damaged. Synthol can also cause muscle fibrosis, a painful and potentially irreversible condition that causes muscle tissue to scar and die. In some cases, the affected muscle tissue may need to be surgically removed, which can result in permanent scarring and reduced muscle strength and function.
Secondly, synthol injections can increase the risk of infection at the injection site, leading to redness, swelling, inflammation, and pus-filled cysts. In some cases, severe infections can occur, causing serious health complications.
Thirdly, synthol injections can have dangerous interactions with the cardiovascular system, including pulmonary artery blockage, pulmonary embolism, heart attacks, and strokes. These complications can be life-threatening and may lead to sudden death.
Finally, synthol use has been associated with negative mental health effects, including mood swings, paranoia, and aggression. Additionally, the long-term use of synthol can increase the risk of kidney and liver failure.
Overall, while synthol may provide immediate muscle gains, it carries significant health risks that far outweigh any potential benefits. It is important to understand the dangers associated with synthol use and to seek professional medical advice before considering its use.
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Synthol is widely available
Many online forums aimed at bodybuilders are full of advice on how to administer synthol, but much of this is medically dubious and potentially dangerous. Synthol is also often marketed as a safe and effective way to enhance muscle growth, but there is little reliable, science-based information about its dangers.
Synthol is a site enhancement oil used by bodybuilders to boost the cosmetic appearance of muscles. It is injected directly into the target muscle, where it expands the muscle tissue. However, it does not improve muscle strength. In fact, it can damage muscle tissue and put users' cardiovascular health at risk.
The effects of synthol injections are almost immediate, and the muscles balloon up quickly. However, synthol does not increase muscular strength or performance and is used solely for cosmetic purposes. The compound can also have severe and potentially life-threatening consequences for its users.
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Frequently asked questions
Yes, synthol muscles are hard. Synthol is a site enhancement oil used by bodybuilders to boost the cosmetic appearance of muscles. Synthol is injected into the muscles and once inside the muscle fibres, the active ingredient in synthol, MCT, starts to expand. Synthol hardens the muscles, leaving them large but damaged and not any stronger.
Synthol injections can cause several serious health issues including muscle deformity, nerve damage, oil-filled cysts, muscle damage, cardiovascular issues, kidney and liver failure, and even stroke.
Synthol is a mixture of oil (85% - sometimes sesame, walnut, or paraffin), lidocaine (7.5% - a local anaesthetic), and benzyl alcohol (7.5%).
Synthol injections can cause pain, bruising, and infection at the injection site, which can lead to redness and pus. The pain can last for a couple of days and is made worse by activating the muscle.
The effects of synthol injections typically last for three to five years. After this period, the oil-bloated muscles will sag due to gravity, resulting in an even more bizarre appearance.










































