Known for its ability to increase alertness, concentration and motor coordination caffeine, primarily works by blocking the action of drowsiness inducing adenosine on its receptor.
Secondary and tertiary mechanisms involve the activation of noradrenaline neurons and release of dopamine in conjunction with increasing energy metabolism via thermogenesis throughout the body.
The effective dose of caffeine is widely dependent on both your size and tolerance. Due to high levels of consumption many users may only feel the effects in dosages around 300-400mg, while others with enhanced caffeine sensitivity will feel the effects at smaller doses of 100mg.
Overall, caffeine has become an integral part of many adult’s daily routine due to its ability to improve task performance even during sleep deprivation.
Caffeine is frequently matched with L-theanine to provide a calming effect in conjunction with the increase in alertness. This is known to improve your mood and ability to switch between demanding tasks.