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Comment on I tracked 609 food additives across 817K products to find awareness gaps

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Tech stack: Built on Next.js/React, pulling data from the Ahrefs API and Open Food Facts API. We used OpenAI's API for the heavy lifting - deduplicating, aggregating, and categorizing 800,000+ products to build comprehensive profiles across 609 food additives. The data work was surprisingly tricky. We had to refine our Ahrefs methodology to use "matching terms" rather than "related terms" - otherwise we got flooded with irrelevant keywords (MSG search volume was massively inflated by "Madison Square Garden" ). Filtered for 100+ monthly searches to eliminate spam while keeping meaningful queries. The result: real search demand data paired with actual product usage patterns, so you can see both what people are curious about AND where additives actually show up in products. Happy to answer any technical questions!

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