No, ASDA Mint Selection 200g is not vegan-friendly.
ASDA Mint Selection 200g is not suitable for vegans because it contains milk. This is one of those product you don’t expect to contain milk…

Ingredients
Glucose Syrup, Sugar, Sweetened Condensed Skimmed Milk [Skimmed Milk, Sugar, Lactose (Milk)], Palm Oil, Unsalted Butter (Milk), Invert Sugar Syrup, Butter Oil (Milk), Salt, Flavourings, Emulsifier (Lecithin), Colour (Plain Caramel), Molasses, Hydrolysed Milk Protein