In the Nordic countries the sun sits low for much of the year, and from autumn to spring our skin makes very little vitamin D. That’s the season when a traditional spoon of cod liver oil earns its place.
Why vitamin D drops in winter
Your body produces vitamin D when sunlight hits the skin. At northern latitudes the winter sun is too weak for this for months at a time, so dietary sources become the practical way to keep levels up. Cod liver oil is one of the richest natural food sources of vitamin D.
How it supports immunity
- Vitamin D contributes to the normal function of the immune system.
- Vitamin A supports the normal function of the immune system and healthy mucous membranes — the body’s first barrier.
- Omega-3 (EPA & DHA) rounds out the profile that makes cod liver oil a whole-food winter ally.
A simple winter habit
One teaspoon a day from autumn through spring is the classic Nordic approach. Rosita Extra Virgin Cod Liver Oil delivers naturally occurring vitamins A and D in their original form, with a mild, fresh taste — or try the taste-free softgels.
Information only — not medical advice.
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