We are all familiar with poo, a.k.a. faeces, excrement or stool. We all know it’s a waste product that comes out of our anuses, it’s generally sausage-shaped and brown in colour. Have you ever stopped to think what is in your poo? And why does it even matter? How much poo? Encyclopaedia Brittanica tells us that the average poo output per adult person is 100 to 250 grams per day (1). Note this number is the average, don’t be concerned if your output one day is zero (i.e. you’re constipated) or over 1 kg. Also, it is interesting to note that lower-income population groups tend to have heavier stools, mainly…