When the temperature drops and you're trying to stay warm, your body will make some changes. It will divert blood from your extremities such as your face, hands, and feet to the center of your body in order to keep it better insulated. Additionally, your body can increase its thermogenesis by trembling, which can significantly boost your metabolism and help you stay warm. Certain fat burners contain active ingredients that can cause overheating.
Taking these supplements can lead to excessive sweating and an increased heart rate. Some fat burners also contain selective serotonin reuptake inhibitors (SSRIs), which have been linked to dangerous side effects such as bleeding and seizures. Other common side effects of fat burners include changes in anxiety levels, mood swings, increased blood pressure, and insomnia. In fact, some fat burners have been recalled due to their potential to interfere with the heart and cause serious health risks.
Manufacturers claim that fat-burning supplements can help you lose weight by speeding up your metabolism, controlling your appetite, preventing fat absorption, or increasing satiety. Unfortunately, some people start to rely on fat burners for a good mood rather than for weight loss. While these supplements are popular, they come with a range of side effects that can even be life-threatening. People who take fat-burning supplements for an extended period of time often report increased anxiety, depression, aggressive behavior, and mood swings.
A study showed that a healthy 24-year-old man developed blood clots in his main artery after taking a fat burning supplement containing synephrine. Natural fat burners are generally safe and have been shown to boost metabolism, control appetite, and reduce hunger. Some researchers suggest that the popular fat burner ephedrine may cause side effects such as increased heart rate and blood pressure. Fat burners can be a helpful tool in reaching your weight management goals when used as part of a balanced diet and exercise regimen.
Some fat burners contain high levels of caffeine in order to give users the illusion of having more energy.
