Hi HN, Co-creator here, built this after getting frustrated trying to figure out which food additives to actually worry about when my kid started kindergarten. Scraped 817K+ products to see which additives are actually common, then compared that against Google Trends and Ahrefs data. Turns out there's a massive gap - some additives banned in Europe are in tons of products here but almost nobody searches for them. Not making health claims, just showing the data. The awareness score is basically: how much people search vs how common it actually is.

Data normalization was a nightmare - manufacturers call the same thing 10 different ways (E102, Tartrazine, Yellow 5, etc). Also, MSG is not most known for being a food additive apparently, etc. Would appreciate feedback on the methodology or if you spot any issues.