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Sunscreen Use Linked to Vitamin D Deficiency, Study Reveals

9/17/2025

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Summary

Story summary

A QIMR Berghofer study found that daily use of SPF50+ sunscreen may reduce vitamin D levels.
In a year-long trial with 639 participants, 46% of daily users became vitamin D deficient, compared to 37% in the control group.
Researchers highlight sunscreen's role in skin cancer prevention and suggest vitamin D supplementation.
Vitamin D is essential for bone health and immune function.
Despite sunscreen recalls due to unmet SPF claims, experts urge continued sun protection.

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Story summary

A QIMR Berghofer study found that daily use of SPF50+ sunscreen may reduce vitamin D levels.
In a year-long trial with 639 participants, 46% of daily users became vitamin D deficient, compared to 37% in the control group.
Researchers highlight sunscreen's role in skin cancer prevention and suggest vitamin D supplementation.
Vitamin D is essential for bone health and immune function.
Despite sunscreen recalls due to unmet SPF claims, experts urge continued sun protection.