The claim
雪印北海道バターには実は30％マーガリンが入っている
Original review summary
A post claiming that Snow Brand Hokkaido Butter contains 30% margarine spread on December 19, 2022, without providing evidence. The company denied that margarine is in the butter, and the health ministry said it had no information about such a claim.[S1]
Additional context
The review notes that butter and margarine are subject to different composition standards and manufacturing methods, and says accidental mixing is not expected. [S1]
Research date:
Sources and attribution
- [S1] 日本ファクトチェックセンター original review
Original review · Retrieved October 16, 2026