Since collagen type II contains chondroitin and glucosamine, large doses might lead to the same side effects as those seen with chondroitin and glucosamine supplements. These side effects include nausea, heartburn, diarrhea and constipation, drowsiness, skin reactions, and headache.
A stool analysis is a series of tests done on a stool (feces) sample to help diagnose certain conditions affecting the digestive tract . These conditions can include infection (such as from parasites, viruses, or bacteria), poor nutrient absorption, or cancer.
If the stool guaiac results come back positive for blood in the stool, your doctor will likely order other tests, usually including a colonoscopy. The stool guaiac test does not diagnose cancer. Screening tests such as colonoscopy can help detect cancer.