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the claim
There are no naturally blue foods in nature
the verdict
REFUTED
the evidence says no
confidence 0/100

While blue is indeed one of the rarest colors in nature's food palette, naturally blue foods such as blueberries and blue corn do exist.

Evidence against · 3
straightdope.com: Why is there no blue food? - The Straight Dope
cited by 0
It discusses the common misconception that there is no blue food, noting that blueberries are blue on the vine.
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More against · 2
science.org: Discovery of a natural cyan blue: A unique food-sourced anthocyanin could replace synthetic brilliant blue | Science Advances
cited by 0
It notes that blue is rare in nature's food palette, confirming that natural blue food-sourced colorants and items do exist.
biology.stackexchange.com: Why are so few foods blue?
cited by 0
It confirms that blue foods exist, though they are rare compared to other colors.
The paper trail · every fact has a biography
first checked01 Aug 2026
judged → REFUTED · 001 Aug 2026
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