الجواب حامدا و مصلیا
Many contradictory research results have emerged with regard to the ingredients contained in Lays Chips and none of them could be declared as final. However due to the differences in researches it is preferable to refrain from eating it. Of course if it is found through an unbiased research that any Haram element is mixed in it and subsequently due to a chemical reaction the essence and the nature of the element too is made to be transformed, it will be undoubtedly permissible to eat it, otherwise, it is necessary to abstain from it .
As for the referred person Junaid Jemshid is concerned, he should have abstained from going behind scholarly matters that require analysis and research and, to carry on his head, the blunder of declaring a doubtful thing as 100% Halal without having a research done on it’s true spirit.
As such, without justifying and only due to the eating of same by the concerned person, it is necessary to refrain from consuming it and consider it to be Halal, until, the permissibility and of being Halal of it is found through a result of an unbiased research.