Side effects of caffeine supplements reported more frequently than previously thought

A large proportion of people using caffeine supplements appear to experience side effects, according to reports received by the Netherlands Food and Consumer Product Safety Authority (NVWA). The agency did not investigate the cause but described the number of signals as notable.

The NVWA emphasises that these are self-reported experiences from users. There is no scientific evidence directly linking the supplements to the complaints. However, the authority urges manufacturers to provide clear information on dosage and potential risks.

Caffeine supplements are often used to increase alertness or improve sports performance. The NVWA advises consumers to use them with caution and not to exceed recommended amounts. It is not known exactly how many reports have been received or what specific complaints they involve.

This report is a summary based on the aforementioned source and does not constitute medical advice. Always consult a doctor or pharmacist if you experience complaints.