Thermogenic Fat Burners from manufacturer OstroVit work on the principle of raising body heat during physical activity, resulting in the use of energy from fat stores and therefore promoting fat loss. Thermogenic burners are referred to as the most effective fat burners, as evidenced by the fact that they are useful for burning fat even without physical activity, however regular exercise helps to achieve the desired goal even faster. At the same time, the increase in body temperature actively promotes metabolism, as metabolic changes occur more rapidly at higher temperatures.

The composition of the thermal burners is varied, but most of them contain synephrine, green tea or coffee, caffeine, L-carnitine or black tea, which actively promote fat burning and boost metabolism.