Calcium citrate is commonly used as a dietary supplement due to its ability to enhance calcium absorption. However, some individuals may wonder whether calcium citrate can upset your stomach. It’s important to note that while many people tolerate calcium citrate well, others might experience gastrointestinal discomfort. If you’re concerned about whether calcium citrate can upset your stomach, it may be helpful to start with a lower dose and gradually increase it, monitoring how your body reacts. Ultimately, if you find that calcium citrate can upset your stomach, consulting a healthcare professional could provide guidance tailored to your specific needs.