Home Heart Health Popular muscle-building products may damage your hearts

Popular muscle-building products may damage your hearts

Credit: Unsplash+

Many people today want to build strong, muscular bodies as quickly as possible. Social media platforms, especially short video apps, are filled with images of fit and powerful men showing off their results.

For some young men, this creates pressure to achieve similar looks in a short time. As a result, some turn to anabolic steroids, believing they are a fast and effective way to gain muscle. However, new research suggests that this choice may come with serious risks, especially for the heart.

A recent study by researchers from the University of Birmingham in the United Kingdom and scientists in Germany has found a concerning link between anabolic steroid use and a dangerous heart condition called atrial fibrillation. The study was published in The Journal of Physiology, a well-known scientific journal that focuses on how the body works.

Anabolic steroids are synthetic versions of testosterone, the main male sex hormone. Testosterone plays an important role in building muscle, strengthening bones, and supporting overall physical development.

Because of this, steroids are sometimes used medically to treat certain health conditions. However, many people use them without medical supervision to increase muscle size and improve physical appearance.

The problem is that using steroids in this way can disturb the natural balance of hormones in the body. When hormone levels become too high, they can affect many organs, including the heart. This new study shows that the heart may be especially vulnerable.

The researchers focused on a heart disease called arrhythmogenic right ventricular cardiomyopathy, or ARVC. This is a condition that affects the structure of the heart muscle.

In a healthy heart, muscle cells are tightly connected and work together to pump blood smoothly. In people with ARVC, these connections become weak, and the heart muscle can be replaced with fatty or scar tissue. This makes it harder for the heart to beat properly.

ARVC is known to be more common in men, and genetics often play a role. This means that some people are born with a higher risk of developing the disease, even if they do not show symptoms early in life. The new research found that anabolic steroids can make this condition worse, especially in those who already have a genetic risk.

The study showed that even a short period of steroid use, as little as six weeks, can interfere with the heart’s electrical system. The heart depends on clear electrical signals to keep a steady rhythm. These signals control how the heart contracts and relaxes. When these signals are disturbed, the heart may start to beat irregularly.

This is where atrial fibrillation comes in. Atrial fibrillation is a condition in which the upper chambers of the heart, called the atria, beat in a fast and uneven way. Instead of pumping blood efficiently, the heart may quiver or flutter. This can lead to symptoms such as dizziness, shortness of breath, and fatigue. In serious cases, it can increase the risk of stroke or heart failure.

Dr. Laura Sommerfeld from UKE Hamburg, who led the study, explained that high levels of testosterone from steroids can worsen the damage in heart muscle diseases like ARVC. Another researcher, Professor Larissa Fabritz, also highlighted that hormone imbalance can increase the risk of dangerous heart rhythms.

This finding is especially important for young men. Many of them may feel healthy and believe that short-term steroid use is safe. However, if they carry hidden genetic risks, steroids could trigger serious heart problems much earlier than expected.

The study also reminds us that not everything that seems helpful for fitness is actually safe. While some people turn to steroids, others may use herbal supplements without fully understanding their effects.

Some of these products may also influence heart rhythm. On the other hand, simple lifestyle choices such as eating balanced foods, including eggs and yogurt, have been linked to better heart health in other studies.

Overall, this research sends a clear message. Building muscle quickly may look appealing, but it is not worth risking long-term health. The heart is a vital organ, and damage to it can have lifelong consequences.

Before taking any substance that affects the body, it is important to seek medical advice. Doctors can help assess personal risk, especially if there is a family history of heart disease. Staying informed and making careful choices can help protect both physical appearance and long-term health.

If you care about heart disease, please read studies that herbal supplements could harm your heart rhythm, and how eating eggs can help reduce heart disease risk.

For more health information, please see recent studies that apple juice could benefit your heart health, and results showing yogurt may help lower the death risks in heart disease.

Copyright © 2026 Knowridge Science Report. All rights reserved.