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.
Some conventional testing possibilities that take place to determine the cause of blood in stool can include: (9) 1  Angiography. 2  Barium studies. 3  Bleeding scan. 4  Blood work including a complete blood count and more. 5  Colonoscopy. 6  Double balloon enteroscopy. 7  Stool test. 8  Testing to determine if an H. pylori infection is present.