Manufactured in the UK and filled in our Sweet Shop, each sweet is sealed to maintain freshness to your door! Buchanans Irn Bru Humbug Sweets Bag 140g. Hard boiled sweets infused with Irn Bru essence. Ingredients. Glucose Syrup, Sugar, Citric Acid, Palm Oil... Ingredients- Allergens listed in bold Sugar, Glucose Syrup, Citric Acid, Flavouring, Colour: Paprika Extract; Palm Oil; Emulsifier: SOYA Lecithin. Buchanan's Iron Brew Pastilles - 180g Bag - Buchanans Scottish Sweets British Retro Sweets Hexhamshire Brewery Old Humbug - Northumbrian Gifts Traditional British Hard Boiled Sweets These hard-boiled sweets have a mouth-watering flavour to make your tongue tingle and taste buds go wild. More like this. Iron Brew Humbug 500g Sweet Pouch · Mixed-Fruit · Options Keep out of reach of children under 3 years due to choking hazard. Directions Unwrap and enjoy.