Calcium citrate is a popular supplement for those looking to increase their calcium intake, but some individuals may wonder, can calcium citrate upset your stomach? This concern is not uncommon, as gastrointestinal discomfort can occur with various supplements. If you are considering adding calcium citrate to your routine, it’s essential to know that while it is generally well-tolerated, some people may experience stomach upset. Therefore, can calcium citrate upset your stomach? It’s advisable to start with a lower dose and see how your body reacts before gradually increasing it. Always consult with a healthcare professional if you have any concerns about potential side effects.