Is Irn bru an Energy drink? No, Irn Bru is a Carbonated Soft drink with Caffeine. Where is Irn Bru Made? Irn Bru is manufactured in Scotland by AG Barr PLC. The US version is reformulated for the US market and imported by Great Scot International Inc. What is the difference between the UK and US Irn Bru? The US version of Irn Bru is approved by the FDA and contains a different food coloring than the European version. The US version also has the required Nutrition Facts label. When was Irn Bru invented ? 1901 Where can I buy IRN-BRU? You can purchase online by the case or look for it in your local market soon. What does IRN-BRU taste like? IRN-BRU's taste is unique and hard to describe although some have likened it to vanilla/citrus. There is virtually no after-taste because it is made with all natural sugar. IS GSI Inc. the same as company as AG Barr p.l.c? No. The only relationship that exists between the two companies is that A.G.Barr is the manufacturer and license holder of the IRN-BRU range of product distributed by GSI Inc. in the US.