What products contain EtG?

Could you please clarify what products specifically contain EtG, the metabolite of alcohol? Are there any common beverages or food items that contain this substance naturally or as an additive? Is EtG commonly found in prescription medications or over-the-counter drugs? Additionally, are there any non-alcoholic beverages or products marketed specifically as containing EtG for some purpose? I'm interested in understanding the full scope of products that may potentially contain this metabolite.