The Coca–Cola recipe is one of the world's most closely guarded trade secrets – but it may not be secret for much longer. Figuring out what made up that remaining one per cent took Mr Armstrong over a year of scientific analysis, taste tests, and trial and error. However, that didn't put off Mr Armstrong, who recruited the help of a chemical test called mass spectrometry. Mr Armstrong's recipe included lemon oil, lime oil, tea tree oil, cinnamon oil, nutmeg oil, orange oil, coriander oil, and a natural pine–like flavour called fenchol. Add 1ml of diluted 'flavour solution A' and 10ml of 'flavour solution B'.

Source: Daily Mail January 17, 2026 10:11 UTC