When caffeine is naturally in a product, like chocolate, just the caffeine-containing ingredient is listed, according to the FDA. 3. Caffeine poisoning symptoms require quick attention. Multiple signs ...

The rate of visits due to caffeine overdose or adverse effects of caffeine more than doubled among middle school-aged kids ...

3. Caffeine poisoning symptoms require quick attention. Multiple signs may indicate a caffeine overdose or poisoning including but not limited to an increased heart rate, heart palpitations ...

What Are the Signs of Caffeine Overdose? Sources of Caffeine While coffee is one of the most popular caffeine beverages, there are many other sources of caffeine that are natural and manufactured.