Fat burners can indeed have an effect on metabolism, but it is worth remembering that this is not a panacea. Their effect depends largely on the composition, dosage, and individual characteristics of the body. Some fat burners contain ingredients such as caffeine or green tea extracts, which can speed up metabolism and increase energy levels. However, it's important to realize that without regular exercise and proper nutrition, the effects may be minimal. I also recommend paying attention to the quality of the supplements you use. You can find a variety of sports supplements, including fat burners, at https://a-steroid.shop/oral-steroids-for-sale/ . However, before using them, it is always worth consulting a doctor or specialist to avoid unwanted effects and to find the most suitable product for your body.