The sustained energy supply complex is a combination of stimulating plant ingredient, decreasing the feeling of fatigue, affecting the memorization and concentration. The components of the complex are the plants that are the source of methylxanthines (caffeine and theobromine): the seeds of cocoa, coffee, kola nut and guarana seed extract. Caffeine (a purine alkaloid) inhibiting receptors adenosine in the human organism, fighting fatigue and allowing activation of operation, increasing the exercise capacity and accelerating the post-workout recovery. It is thermogenic. Theobromine, a purine alkaloid contained in cocoa beans, with a slight diuretic, fat burner. Kola nuts are a source of bioactive compounds (phenols, flavonoids, caffeine, theobromine and theophylline). They act on the central nervous system by removing the signs of fatigue, increase diuresis. The extract from the seeds of guarana (Paulinia cupana) contain caffeine, acts as a stimulant for athletes, it enhances the exercise capacity, burns excess fat. Due to the stimulation properties of the components of the complex (and the same complex) it should not be applied before bedtime. It is not recommended to use the complex for patients with high hypertension. The sustained energy supply complex \ co-creates the formula of preparation Magnum Neutraceuticals Heat.