It is a functional bowel disease characterized by excessive straining during defecation, infrequent defecation, and the feeling of incomplete evacuation. There are very few studies investigating the incidence and prevalence of functional constipation.Non-pharmacological treatment methods, including lifestyle changes, are primarily recommended for the treatment of constipation. The aim of the study is to examine the effects of visceral osteopathic approaches on individuals diagnosed with functional constipation and compare them with conventional methods.