You can Google those ingredients, they have specific names which makes them sound scary, but they are all pretty common in normal fruits and vegetables. There's no need to fearmonger.
Sorry that you had GI issues.
BTW, cellulose is just fiber, it is the cell walls of plants.
Also, look up the ingredients of a banana. It has several E numbers.
I'm sure Iran knows to "never interrupt your enemy when they are making a mistake".