Essence of IRN-BRU bru\'d in Scotland since 1901 to a secret recipe of 32 flavours with a spirit that\'s as sold as its taste. You can\'t describe it, because there\'s nothing like it.. Original and Best. IRN-BRU. Manufacturers Address A. G. Barr, Freepost RRGU-SERY-RSAK, Glasgow, G68 9HD, UK. A.G. Barr, Fitzwilliam Hall, FP, Dublin, ROI, D02 T292. Return to A. G. Barr, Freepost RRGU-SERY-RSAK, Glasgow, G68 9HD, UK. A.G. Barr, Fitzwilliam Hall, FP, Dublin, ROI, D02 T292. www. irn-bru. co. ukconsumercare@agbarr. co. uk Package type Plastic Bottle