Dietary influences are the most common cause of stool colour variation: Green stools : leafy vegetables (spinach, kale), green food colouring Red or reddish stools : beetroot, tomatoes, red food dyes, cranberries Orange stools : foods high in beta-carotene (carrots, sweet potatoes), rifampicin (an antibiotic) Dark brown to black : iron supplements, bismuth subsalicylate, liquorice, blueberries Pale or light-coloured : primarily caused by reduced bile flow into the intestine Medications and supplements frequently alter stool appearance: Iron supplements commonly cause dark green or black stools Rifampicin and rifabutin can produce orange-red discolouration Bismuth subsalicylate causes black stools Some vitamins and herbal supplements contain pigments that pass through the digestive system Medical conditions that may affect stool colour include: Pale/clay-coloured : biliary obstruction, hepatitis, cirrhosis, pancreatic disorders Black/tarry : upper gastrointestinal bleeding (peptic ulcers, gastritis) Bright red : lower gastrointestinal bleeding (haemorrhoids, diverticular disease, colorectal pathology) Yellow/greasy : malabsorption syndromes, coeliac disease, chronic pancreatitis Green : rapid intestinal transit, certain infections Patients commencing GLP-1 therapy often simultaneously modify their diet significantly, increasing vegetable intake and reducing processed foods as part of weight management efforts

Similarly, rimonabant, which was approved in 2006 in Europe as an anti-obesity drug, initially seemed to offer promise by blocking the endocannabinoid system in the brain to promote weight loss
DOI: 10.1007/s11695-024-07278-2 Ahmad AI, Garg S, Jacobs J, Ansari Z, Jamal Al-Din T, Almomani A, Valencia S, Vargo J, Chatterjee A, Siddiki H, Hong L, Nicolas MA, Miller A, Shah T
Magnesium Fact Sheet for Health Professionals
The main animal sources is from fatty fish like salmon, herring, and anchovies
Imagine standing at the edge of a misty forest, the path forward obscured