Medical Disclaimer
For Informational Purposes Only
Caffein8d is a caffeine tracking tool designed for informational and educational purposes only. The information provided by this application, including caffeine level estimates, decay calculations, and health thresholds, should not be considered medical advice, diagnosis, or treatment recommendations.
Individual Variation
Caffeine metabolism varies significantly between individuals. The default half-life of 5.7 hours used in this application is an average estimate based on population studies. Your actual caffeine metabolism may be faster or slower depending on:
- Genetic factors (CYP1A2 enzyme activity)
- Age, weight, and body composition
- Pregnancy and hormonal factors
- Liver function and health conditions
- Medications (some can significantly slow caffeine metabolism)
- Smoking status (smokers metabolize caffeine faster)
- Diet and other lifestyle factors
Health Thresholds
The 400mg daily limit referenced in this application is based on FDA guidance for healthy adults. This threshold may not be appropriate for everyone. Lower limits are recommended for:
- Pregnant or breastfeeding individuals (typically 200mg or less)
- Children and adolescents
- Individuals with heart conditions or anxiety disorders
- Those sensitive to caffeine
- People taking certain medications
Not a Substitute for Medical Advice
This application is not a substitute for professional medical advice. Always consult with a qualified healthcare provider before making decisions about your caffeine consumption, especially if you have underlying health conditions or concerns about caffeine's effects on your health.
Seek Medical Attention
If you experience any adverse effects that you believe may be related to caffeine consumption, including but not limited to rapid heartbeat, chest pain, severe anxiety, or difficulty sleeping, please seek medical attention promptly.
Accuracy of Data
While we strive to provide accurate caffeine content information for beverages, actual caffeine content may vary based on brewing methods, serving sizes, and product variations. The caffeine amounts displayed are estimates and may not reflect the exact caffeine content of your specific beverage.
Limitation of Liability
By using Caffein8d, you acknowledge that the developers and operators of this service are not liable for any health outcomes, decisions, or actions you take based on information provided by this application. Use of this service is at your own risk.
Last updated: January 21, 2026