Usage patterns
〈物〉に添加物を加えるto add additives to something
Additives are added to this bread to preserve it.
添加物を含むto contain additives
This snack contains a lot of additives.
添加物を避けるto avoid additives
I try to avoid additives for the sake of my health.
添加物が入っているto have additives in it
This juice has artificial additives in it.