a 3d human heart

Are Fat Burners Bad for Your Heart?

If you're attempting to shed some pounds you might find yourself enticed by the advertisements and assertions of burning products. These supplements make promises to assist in burning more fat, accelerating metabolism, curbing appetite and boosting energy levels. However do they truly deliver on these claims? Most importantly can they be considered safe for your hearts well being?

What Are Fat Burners?

Fat burners are supplements designed to assist in weight loss. They come in various forms with a range of natural or synthetic components. Some popular ingredients found in these supplements include caffeine, green tea extract, capsaicin, garcinia cambogia and raspberry ketones. These ingredients can have effects, on the body including;


This substance acts as a stimulant promoting alertness, increased energy levels and the generation of heat within your body. Additionally caffeine has the potential to suppress appetite and amplify the impacts of components that aid in fat burning.

Green tea extract

Green tea extract contains a substance known as catechins, which have antioxidant properties. These catechins can help enhance metabolism and facilitate the breakdown of molecules. Additionally green tea extract has the potential to reduce blood sugar and insulin levels thereby aiding in the prevention of storage.


Capsaicin is the compound for the spicy flavor, in chili peppers. It has the ability to boost thermogenesis and fat burning while also helping to curb appetite and reduce inflammation. 

Garcinia cambogia

This particular fruit is often found in regions. Is recognized for its significant content of hydroxycitric acid (HCA). This acid possesses the capability to hinder an enzyme known as citrate lyase, which plays a role in converting carbohydrates into fat. Moreover consuming Garcinia cambogia can potentially elevate levels leading to a boost in mood and a decrease in cravings.

Raspberry ketones

These are compounds that give raspberries their aroma. Raspberry ketones can increase the production of a hormone called adiponectin, which can regulate your glucose and fat metabolism. Raspberry ketones can also stimulate the breakdown of fat cells.

How Do Fat Burners Affect Your Heart?

blood flowing

The heart plays a role in circulating blood throughout your body. It requires a maintained equilibrium of oxygen nutrients, hormones and blood pressure to ensure proper functioning. Any disruptions to this balance can impact heart health. Potentially raise the risk of cardiovascular diseases.

When it comes to burners their impact on the heart can vary depending on the specific ingredients and dosage used. Different effects may be observed, including;

Increased blood pressure

Certain weight loss supplements may include ingredients such as caffeine that have the potential to elevate blood pressure by narrowing blood vessels and accelerating heart rate. Elevated blood pressure can lead to harm in arteries. Heighten the likelihood of experiencing a heart attack, stroke or kidney failure.

Cardiac arrhythmia

Ephedra and its alkaloids can disrupt heart signals, which cause heartbeats or cardiac arrhythmia in some weight loss pills. Chest pain, dizziness, fainting, and death may result. The US bans ephedra and alkaloids to prevent these effects.

Reduced blood flow

Certain fat burners include components like capsaicin that have the potential to enhance blood circulation in regions of your body, such as your stomach or skin. However it's worth noting that this might inadvertently decrease blood flow to important areas, like your heart or brain. Such diminished blood flow can lead to ischemia, a condition characterized by oxygen supply to these organs potentially resulting in tissue damage or even fatality.


Fat burners claim to help you lose weight by increasing metabolism, appetite suppression, and energy. However, high blood pressure, irregular heartbeats, and limited blood flow are heart health risks. Therefore, consult a professional and study the product label before using any fat burner. A balanced diet and frequent exercise are also needed for benefits. Fat burners aren't overnight weight loss remedies; they're tools to help you lose weight.

Kayla Thomas


Kayla Thomas, a 34-year-old sports and fitness coach living in Connecticut, USA. With seven years of hands-on experience, she's all about helping folks get fit and strong. Kayla's fitness journey began when she was a sports-loving kid, and she followed her passion to college, where she earned a degree in Exercise Science and picked up personal training and sports coaching certifications. But what really lights her up is empowering women through fitness, breaking barriers and making fitness feel welcoming for everyone. Her clients see her as not just a coach but a motivating friend. In her downtime, you'll find her swimming and cycling, always on the move. And you can follow her fitness journey on Instagram – she's all about sharing that empowerment vibe.