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The claim

主成分に添加物がたくさん含まれているK2シロップは赤ちゃんに不要?

Original publisher’s rating

誤り

Reviewed by 日本ファクトチェックセンター ↗ ·

Read the original fact check ↗

Original review summary

The review says K2 syrup is used to prevent vitamin K deficiency and bleeding in newborns, and that newborns may not obtain enough vitamin K from food or breast milk. It also reports that the syrup’s additives have been assessed for safety by PMDA.[S1]

Additional context

The review notes that the image cited in the viral post came from the instructions for a different product, menatetrenone capsules, not K2 syrup. [S1]

Research date:

Sources and attribution

  1. [S1] 日本ファクトチェックセンター original review

    Original review · Retrieved October 16, 2026

Original review: 日本ファクトチェックセンター. Structured data compiled by Data Commons under CC BY 4.0. Publisher article content is subject to its own terms. Summaries and context are produced by PeakMetrics with AI assistance.

Updated