Targeted Release Caffeine
Also known as: Caffeine, 1,3,7-Trimethylxanthine, Caffein, Guaranine, Theine, Mateine
Overview
Caffeine is a naturally occurring central nervous system stimulant commonly found in coffee beans, tea leaves, cacao beans, kola nuts, yerba mate, and guarana berries. It is widely used for its ability to alleviate fatigue and enhance alertness, also assisting in medical treatments such as apnea of prematurity and migraines. Targeted Release Caffeine formulations, like zümXR, deliver caffeine in a controlled manner, providing sustained effects while minimizing the sudden peaks and crashes typical of immediate-release versions. Research supports the positive impact of caffeine on exercise performance, cognitive functions, and overall health, although findings regarding its effects on physical performance show variability across studies. Overall, caffeine is a versatile substance with applications ranging from athletic performance to cognitive enhancement.
Benefits
Caffeine provides several evidence-based benefits, primarily enhancing exercise performance through improved aerobic endurance, muscle strength, and speed, with moderate effect sizes noted in various studies. Additionally, it boosts cognitive functions such as alertness and attention, though evidence on its cognitive benefits is less robust than that for athletic performance. Other notable advantages include thermogenic properties, appetite suppression, and reduced risks of type 2 diabetes and Parkinson's disease linked to sufficient coffee consumption. Preterm infants also experience health benefits from caffeine in managing apnea, showcasing its importance across different populations.
How it works
Caffeine primarily functions as an adenosine receptor antagonist, which elevates levels of neurotransmitters including dopamine, norepinephrine, and acetylcholine. This mechanism enhances alertness, energy levels, and metabolic rates, while also impacting the central nervous and cardiovascular systems. The targeted release formulations like zümXR allow for a sustained release of caffeine, maximizing efficacy over time compared to traditional immediate-release forms.
Side effects
Caffeine is generally safe for consumption at moderate doses (up to 400 mg daily for most adults), but excessive intake can lead to side effects in over 5% of users, including jitters, anxiety, insomnia, elevated heart rate, and gastrointestinal disturbances. Less common side effects like headaches and dizziness may occur in 1-5% of cases, while severe reactions such as seizures and arrhythmias are rare, reported in less than 1%. Certain medications, particularly antidepressants, may have reduced effectiveness when used with caffeine, and pregnant individuals or those with specific medical conditions should approach caffeine cautiously. Children and those sensitive to caffeine should also limit intake.
Dosage
For optimal exercise performance, a recommended effective dose of caffeine is approximately 2-3 mg/kg of body weight (around 150-200 mg for a 70 kg individual), while general safe consumption varies between 100-400 mg daily. Targeted Release Caffeine formulations are designed to deliver caffeine over several hours, often with staggered dosing. It is advised not to exceed a maximum of 400 mg per day. For performance enhancement, taking caffeine 30-60 minutes before physical activity is optimal. Targeted release varients allow for consistent effects, even with food intake variations.
FAQs
Is caffeine safe to consume?
Caffeine is generally safe in moderate amounts (up to 400 mg daily), though individual tolerance and potential medication interactions should be considered.
When should I take caffeine for exercise?
Caffeine should be taken 30 minutes to 1 hour before activity for optimal performance benefits.
What benefits can I expect from caffeine?
Expect increased alertness, energy, and enhanced exercise performance, with effects lasting several hours depending on the formulation used.
Does caffeine lead to dehydration?
Moderate caffeine consumption does not significantly contribute to dehydration.
Research Sources
- https://pubmed.ncbi.nlm.nih.gov/33482079/ – This systematic review evaluates the impact of caffeine on aerobic and anaerobic performance, showing consistent improvements, particularly in endurance events. It emphasizes the need for individualized dosing based on body weight and timing for optimal benefits.
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7219651/ – This article discusses caffeine’s pharmacological mechanisms and its role in modifying cognitive function and exercise performance. It examines both immediate and controlled-release formulations, highlighting their distinct effects and optimal use cases.
Supplements Containing Targeted Release Caffeine
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