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High Riboflavin Intake Cuts Dementia Risk by 49%

10/7/2025

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Summary

Story summary

A study of 4,171 Japanese adults over 15 years links higher riboflavin (B2) intake to a 49% lower risk of disabling dementia.
In the same cohort, higher vitamin B6 intake linked to lower dementia risk; vitamin B12 showed no significant association.
Separately, vitamin D2 may lower vitamin D3 levels, indicating D3 is more effective for long-term health.

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Story summary

A study of 4,171 Japanese adults over 15 years links higher riboflavin (B2) intake to a 49% lower risk of disabling dementia.
In the same cohort, higher vitamin B6 intake linked to lower dementia risk; vitamin B12 showed no significant association.
Separately, vitamin D2 may lower vitamin D3 levels, indicating D3 is more effective for long-term health.