Vitamin D status

Clinical trials for Vitamin D status explained in plain language.

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Winter vitamin d fix: fortified foods tested on teens

Knowledge-focused By invitation only

This study looks at whether giving families foods naturally rich or fortified with vitamin D can improve vitamin D levels in teenagers during winter. About 160 households with at least one teen (11-17) and one adult will take part. Researchers will measure vitamin D in blood and …

Matched conditions: VITAMIN D STATUS

Sponsor: University of Ulster • Aim: Knowledge-focused

Last updated Jun 27, 2026 12:29 UTC

Vitamin D status

Get alerted when new Vitamin D status trials appear

Winter vitamin d fix: fortified foods tested on teens