Vitamin D in the Nordics and UK: A Country-by-Country Guide

Vitamin D advice is not identical across Northern Europe. Winter sunlight, food fortification and national public-health guidance differ, so a product strength that appears familiar in one country should not automatically be treated as the routine choice everywhere.

This guide compares current official guidance for healthy populations in Finland, Sweden, Denmark, Norway, Iceland and the United Kingdom. It is a shopping and label-reading guide, not individual medical advice.

Finland

The Finnish Food Authority gives a recommended daily intake of 10 µg for children and adults. It advises a 7.5 µg daily supplement throughout the year for ages 2–17, 10 µg throughout the year during pregnancy and breastfeeding, and 20 µg for people aged 75 or over, with dietary nuances. People with little outdoor exposure, covering clothing or dark skin may need 10–20 µg when food intake is insufficient. Read the Finnish Food Authority guidance.

Sweden

Swedish guidance uses 10 µg as the daily reference for adults. The Swedish Food Agency advises a 10 µg supplement when a person does not eat fish or vitamin-D-fortified foods, and identifies limited summer sun exposure as another reason to consider supplementation. Advice changes with age and risk group, so consult the Swedish Food Agency.

Denmark

Danish guidance is explicitly seasonal for much of the population: adults and children from age 4 are advised to take 5–10 µg daily from October through April. Some groups are advised to take 10 µg throughout the year, while people aged 70 or over receive separate guidance. See the Danish Veterinary and Food Administration.

Norway

Norwegian health guidance gives a recommended intake of 10 µg daily for children and adults and 20 µg for people over 75. People who eat little vitamin-D-rich food and receive little sunlight may be advised to use a supplement, particularly from October through April. See Helsenorge.

Iceland

Iceland participates in the Nordic Nutrition Recommendations, which set a reference intake of 10 µg daily for adults, 20 µg from age 75 and 20 µg for people with little or no sun exposure. National advice can add age- or risk-specific detail, so check current Icelandic health guidance alongside the Nordic Nutrition Recommendations 2023.

United Kingdom

The NHS says adults and children over age 1 need 10 µg daily and should consider a 10 µg supplement during autumn and winter. People at greater risk of low vitamin D, including those with little sun exposure or dark skin, are advised to consider it throughout the year. See the NHS vitamin D guidance.

How to compare vitamin D products

Read the amount per recommended daily serving in micrograms (µg), not only the front label. Then check the intended age group, warnings, capsule ingredients and whether another supplement already supplies vitamin D. Combination products may also contain vitamin K2, omega-3, vitamin A, calcium or magnesium.

High-strength products are not routine daily choices for everyone. Follow the current package directions and seek individual advice when pregnant, taking medicines, managing a medical condition or considering a strength above the routine public-health guidance for your country.

Compare formats and strengths

Compare Premium Vitamin D3 50 µg, Premium Vitamin D3 100 µg and Calcium & Magnesium + K2 + D3. Product availability and labels can change, so use the current product page and package as the final reference.

Guidance checked 6 October 2026. Public-health recommendations can change.