Change in plasma levels of vitamin D after consumption of cod-liver and fresh cod-liver oil as part of the traditional north Norwegian fish dish "Mølje".

What Was Tested

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

To assess changes in plasma 25-hydroxy vitamin D (25(OH)D) concentrations after ingestion of <<Mølje>>, a traditional north Norwegian fish dish rich in vitamin D.

Who Took Part

PubMed indexes the participants as adults, middle-aged adults and older adults, both men and women.

Thirty-three volunteers all living in the city of Tromsø, located in northern Norway (latitude 690), were served a "Mølje" meal consisting of cod, hard roe, cod liver, and fresh cod-liver oil.

How the Study Was Run

The amounts of liver, and cod-liver oil consumed were weighed and recorded.

Blood samples were collected before the meal, and at 4 hours, 12 hours and 5 days after it.

The cod liver and cod-liver oil were analysed for vitamin D content and the plasma samples for the metabolite 25(OH)D.

Trends in plasma 25(OH)D levels during the five-day observation period were analysed.

The study was conducted at the beginning of April of 2000.

What Was Measured

The subject headings attached to it are Cod Liver Oil, Cooking, Dietary Supplements, Feeding Behavior, Fishes, Norway and Time.

What This Means in Plain Language

This is a clinical trial of Vitamin D, K2, Magnesium and Zinc.

Its findings take up roughly 3 sentences of the abstract and are left out here on purpose; the source paper is the place to read them.

The publication is from 2003 (International journal of circumpolar health), a journal based in United States.

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