The invention relates to a drinking straw which is a thermoplastic tube having a first end and a second end comprising: - a first tubular end portion adjacent the first end and defining a single passage; - a first branched portion spaced from the first end and defining at least two parallel passages in fluid communication with the single passage of the first tubular end portion; - a second tubular end portion adjacent; the second end and defining a single passage; - a second branched portion spaced apart from the second end and defining at least two parallel passages being in fluid communication with the single passage of the second tubular end portion; and - a hollow elongate middle portion providing fluid communication between the parallel passages of the first branched portion and the parallel passages of the second branched portion; and - a filler in the middle portion, said filler containing ah active ingredient releasable in liquid drawn through the straw; the parallel passages of the first and second b
