Diet Coke is one of our best-loved drinks. It’s refreshing, great tasting, and contains only 1kcal per 250ml serving.

Within a year of its launch, Diet Coke had become the largest-selling low-calorie soft drink in America.

It’s hugely popular in the Republic of Ireland too, and even more so in Northern Ireland which has the highest per-capita consumption in the world. On the island of Ireland, Diet Coke is the second-biggest sparkling drink, only outsold by Coca‑Cola itself.

Diet Coke is also available in a caffeine-free variety which was launched in 1988 in response to the growing demand for the great taste of Diet Coke without the caffeine