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Carbs and Caffeine Boost Athletic Performance

Updated 16 December 2025
Thrivous Admin

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The use of caffeine as a performance enhancer has been a topic of interest for many athletes and scientists. Recently, a study titled "Caffeine enhances performance regardless of fueling strategy; however, high carbohydrate availability is associated with improved training speeds compared with ketogenic diet" delved into this subject. This study was conducted by researchers who aimed to explore the benefits of caffeine with different dietary strategies. They focused on how caffeine affects training speeds and performance in athletes using various diet plans, including high carbohydrate and ketogenic diets.

The researchers considered the impact of caffeine on performance in combination with two distinct fueling strategies: high carbohydrate and low-carbohydrate high-fat diets. The study is relevant for athletes seeking optimal performance and efficiency during training. The findings of this investigation provide insight into how dietary choices influence the effectiveness of caffeine as a performance enhancer. Understanding these interactions can help athletes and coaches make informed decisions about diet and supplement use to improve training outcomes.

Caffeine is widely acknowledged for its ability to enhance performance by improving focus and reducing perceived effort. However, its efficacy can be affected by the athlete's diet composition. This research aims to unravel the complexity of its effects when combined with different dietary strategies, particularly focusing on the role of carbohydrates in maximizing the benefits of caffeine.

Study Design

The study was conducted with elite athletes to assess caffeine's impact on training performance under different dietary conditions. Participants were divided into groups following either a high carbohydrate availability diet or a low-carbohydrate high-fat ketogenic diet. Over several weeks, these participants underwent rigorous training sessions to measure the effects on their speed and performance. Diet-wise, athletes adhered to their assigned fueling strategy throughout the training period, allowing researchers to observe the interactions between diet, caffeine, and athletic performance.

Each athlete completed a series of tempo hill sessions, with speeds, heart rates, and perceived exertion levels recorded. The study incorporated a crossover design where athletes also received caffeine or a placebo before some of the sessions. Caffeine was administered in the form of chewing gum, ensuring consistent and rapid absorption. This design allowed for detailed comparisons of performance metrics across different diet and supplementation conditions.

Additionally, cognitive performance was evaluated using specific tests, aiming to determine if caffeine affected mental acuity under various dietary regimes. The researchers meticulously controlled for external variables, ensuring a robust assessment of how caffeine and dietary strategies influence athletic training outcomes over time.

Study Results

The study revealed that caffeine improved athletic performance irrespective of the diet followed by the participants. Athletes who received caffeine showed enhanced speed and lower perceived exertion compared to those who received a placebo. Despite the general benefit of caffeine, its effects were more pronounced in athletes on a high carbohydrate diet compared to those on a ketogenic diet. This suggests that carbohydrate availability plays a significant role in maximizing the ergogenic benefits of caffeine.

In terms of speed, the high carbohydrate group experienced significant improvements when caffeine was included in their regimen. The heart rates of athletes during sessions corroborated these findings, indicating better performance efficiency. The study also noted that the ketogenic diet group showed lesser incremental gains with caffeine, highlighting the importance of carbohydrates in fully harnessing caffeine's performance-enhancing properties.

Cognitive tests paralleled these physical findings, with caffeine enhancing mental performance regardless of diet. However, the most substantial cognitive benefits were observed in the high carbohydrate group. This reinforces the idea that an appropriate fueling strategy can enhance not just physical but also mental performance during training.

Recommendation

For athletes seeking to optimize their training and performance, combining caffeine with a high carbohydrate diet is recommended. This combination seems to offer the greatest improvement in training speed, efficiency, and mental performance. Athletes who aim to boost their training outcomes could benefit from incorporating carbohydrate-rich meals around their sessions when consuming caffeine.

It is important for athletes considering the ketogenic diet to be aware of potential limitations in leveraging the full ergogenic benefits of caffeine. While caffeine can still be beneficial, its impact may not be as pronounced without sufficient carbohydrate availability. Adjustments to diet or timing of carbohydrate intake may be necessary to achieve desired performance goals.

Ultimately, athletes and coaches are encouraged to tailor fueling strategies to individual needs, taking into account training goals and dietary preferences. Consulting with nutritionists or sports scientists can provide personalized strategies that enhance the synergy between diet and supplementation, optimizing athletic performance and supporting healthy, sustained training methodologies.

Thrivous Surge

Thrivous develops Surge Acute Nootropic to enhance energy and focus. Each serving provides a clinical dose of caffeine, as well as complementary nutrients. As implied by this study, Surge may help to optimize training speed, efficiency, and mental performance. Surge Acute Nootropic is available to purchase online now in the Thrivous store.

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