glucose + caffeine

**Glucose + caffeine** is a combination of two active ingredients, commonly present in beverages such as energy drinks and some pharmaceutical formulations. Glucose serves as a rapid source of metabolic energy for brain and muscle activity, while caffeine acts as a central nervous system stimulant, antagonizing adenosine receptors to promote wakefulness, enhance alertness, and improve cognitive performance. Studies in healthy adults show that the co-administration of glucose and caffeine synergistically enhances cognitive processes, such as sustained attention, working memory, and multi-tasking ability, more effectively than either glucose or caffeine alone[1][2][4]. This combination increases the efficiency of brain activity, evidenced by improved performance in complex cognitive tasks and reduced neural activation in relevant brain regions, indicating greater neural efficiency[2]. These improvements are believed to result from complementary metabolic and neurostimulatory actions: glucose supports energy-demanding cognitive processes, while caffeine increases attentional resources, executive functioning, and processing speed[1][2][4].

Other names

glucose + caffeine