Top 10 · Updated October 2026
Least Processed Japanese Green Teas
10 of the top 10 japanese green teas products sit in NOVA group 1 — the least processed end of the scale. The japanese green teas with the lowest NOVA processing group — fewer industrial ingredients and additives. We checked 21 japanese green teas with complete data.
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How we built this list
We ranked all published japanese green teas on Foodmetria that have a photo and the required nutrition data, using values per 100 g from the product label. Ties are broken by Nutri-Score and by how often shoppers scan the product. Rankings update automatically as label data changes. Read our methodology.