The disease occurs mostly in people over 50 and can cause symptoms, such as yellowing of the skin and eyes, intense itchiness of the skin, and white stools. (sciencedaily.com)
Bilirubin is a yellow substance created when the body replaces old red blood cells with new ones causing yellowing of the skin and whites of the eyes. (peapodnutrition.org)
For lutein, studies showed efficacy and that the only adverse event that's been shown is non-life threatening yellowing of skin. (sciencedaily.com)