Testsealabs Transferrin TF Test
Transferrin (TF) mainly exists in plasma, with an average content of approximately 1.20~3.25 g/L. In the feces of healthy individuals, it is almost undetectable.
When gastrointestinal bleeding occurs, transferrin flows into the gastrointestinal tract and is excreted with the feces. As a result, transferrin is abundant in the feces of patients with gastrointestinal bleeding

