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Caffeine is considered to be a safe food ingredient (in the USA it is found on GRAS list), but it is known that in very high doses it can adversely affect health. Sensitivity to caffeine is an individual matter, so it is recommended to start the supplementation from the lowest dose, that is 1 capsule.
With regular, long-term supplementation, caffeine tolerance may build up, which means that higher and higher dosage will be needed to achieve the same effect. Moreover, dependence on caffeine is often observed. With this in mind, it is recommended to take at least a week's break, or use the supplement periodically, not regularly.
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Caffeine (1,3,7-trimethylxanthine, 1-methylotheobromine) is a purine alkaloid occurring in the natural state in plants (Coffea arabica, Camelia sinensis, Paulinia cupana, Ilex paraguariensis), which acts as a natural pesticide, acting toxic to insects. Peculiar smell and taste also deters herbivores. Caffeine in the body inhibits the adenosine receptors in the brain, fighting fatigue and allowing for action activation. It has a beneficial effect on the metabolism of oxygen, which increases the exercise capacity (strength and endurance) and rapid post-workout recovery. In the sports supplementation, caffeine is used as a stimulant nervous system. It has the thermogenic potential and in combination with other substances (e.g. Polyphenols, both occurring in coffee beans, such as cocoa beans, tea leaves and mate) can effectively participate in the reduction of body fat. It is included in many dietary stimulants (creatine stacks, no-boosters, beverages). It is a component of fat burners. It is also in the form of mono-preparation supplements.
Dosage: 100-600 mg per day. Due to the long release of activity should not be used in the evening, before sleep.
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