A glass of it may resemble nothing more than pond slime, but chlorophyll water is being hailed as the new must-have wonder drink because of its array of supposed health-boosting benefits.
Chlorophyll is the dark green pigment found in plants and algae and is what gives plants their colour.
It's also essential for the process of photosynthesis, which is how plants convert sunlight into energy that they can use.
It has a similar molecular structure to haemoglobin - the substance that makes blood red and which is responsible for transporting oxygen around the body.
Advocates claim that when diluted with water and consumed, chlorophyll can help to increase the quality and quantity of your red blood cells, improving the efficiency of oxygen transport and, as a result, giving you more energy and improving your well-being. It is also said to be a powerful antioxidant that can protect you from cancer, has antiseptic and anti-inflammatory benefits, helps regulate bowel habits and provides a rapid method of delivery of magnesium, vitamin K, vitamin C, folic acid, iron, calcium and protein.