Vitamin D supplementation in young White and African American women.

What Was Tested

Researchers studied Vitamin D, K2, Magnesium and Zinc in this randomized controlled trial publication.

There is limited information on the effects of vitamin D on serum 25 hydroxyvitamin D (25OHD) in young people and none on African Americans.

A randomized double-blind placebo-controlled trial of vitamin D3 was conducted in young white and African American women, age 25 to 45 years.

Who Took Part

By PubMed's age tags, the people studied were adults and middle-aged adults, women only.

How the Study Was Run

The researchers set it up as a randomized, double-blind and placebo-controlled study.

The participants were allocated by chance, so the Vitamin D, K2, Magnesium and Zinc group and the comparison group should start out alike.

Blinding on both sides kept the participants and researchers unaware of who received Vitamin D, K2, Magnesium and Zinc.

Some participants received a placebo instead of Vitamin D, K2, Magnesium and Zinc, giving a reference point.

What Was Measured

The primary outcomes of the study were the final serum 25OHD and PTH levels at 12 months.

The subject headings attached to it are Black or African American, Calcium, Cholecalciferol, Parathyroid Hormone, Vitamin D, Vitamin D Deficiency and White People.

The authors tagged it with the keywords 25OHD, CELL/TISSUE SIGNALING, CLINICAL TRIALS, ENDOCRINE PATHWAYS, NUTRITION and PTH.

What This Means in Plain Language

The paper is a randomized, double-blind and placebo-controlled study of Vitamin D, K2, Magnesium and Zinc.

The publication is from 2014 (Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research), a journal based in England.

More context: the Vitamin D, K2, Magnesium and Zinc compound page, all human trials.