Where can I find Monster^® in Caerleon?

Monster can also be found in these cities:

Abersychan Blaenavon Blaina Bristol Caldicot Cardiff Cwmbran Griffithstown Machen Magor Portishead Rogerstone Usk invalidcity

You can also find this in Caerleon:

Beer Spirits Confectionery Wine Tobacco Vegetables Fruit Snacks Frozen Food Eggs