These supplements can fulfil various roles, from supporting digestion to balancing gut bacteria, reducing bloating, ...

OCR 21st Century Carbohydrates, proteins and lipids are required by humans. The digestive system breaks down large molecules. Nutrients are passed to other organisms in a food web. Enzymes are ...

Enzymes are also involved in the building up of chemical molecules elsewhere in the body. In an organism, the active site of each enzyme is a different shape. It is a perfect match to the shape of ...