Does Creatine Cause Constipation? Creatine is a popular dietary supplement used by athletes and bodybuilders to enhance muscle mass. While it's been tested to become effective in serving to folks Make strength, usually there are some possible Unintended effects that have been connected with creatine use, together with constipation. https://reallivesocial.com/story1488102/does-creatine-cause-constipation