Almost unchanged since 1885, it was entered into the Guinness World Records book yesterday.
Research shows that it is recognised by 86% of shoppers.
Scottish businessman Abram Lyle first realised that the syrup, a by-product of sugar, could be sold on its own as a treacly spread.
There are now many products available including coffee syrup and ice cream topping.
Lyle, who formed a sugar refinery in 1865, merged with the company founded by Henry Tate in 1859 to form Tate & Lyle in 1921.
If you have an opinion on this or any other issue raised on Brand Republic, join the debate in the Forum.