Vitamin D

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Vitamin D
Manufacturer
Product code
HDV27525

The active D3 form of vitamin D is produced in the skin through the effect of the sun's UVB radiation.
Vitamin D deficiency is linked to several diseases. One of the best sources of vitamin D in food is fish. A regular diet alone usually isn't enough to ensure adequate vitamin D intake in Finland due to the dark season.

According to a recent U.S. study, higher vitamin D supplementation may improve cognitive function in those at risk of dementia.
Cognitive function refers to the brain's ability to process information. This includes memory, attention, learning, language, and problem-solving.

No difference was observed between the D2 vitamin obtained from plants or mushrooms and the D3 vitamin produced after exposure to sunlight and consumption of animal-based foods.

Vitamin D is an essential nutrient that is not only necessary for the functioning of muscles and the nervous system, but also affects sleep quality and sleep-wake rhythms.

Parhaat d-vitamiinin lähteet ravinnossa:

1. Kala. Ravintoaineista kala sisältää luontaisesti eniten D-vitamiinia. Eniten D-vitamiinia sisältävät ankerias, silakka, ahven, kuha ja siika. D-vitamiinia on myös kalan mädissä, noin 10 µg/100 g. Esimerkiksi 80 grammasta lohta saa jo päivän suositustarpeen (10 µg ) D-vitamiinia.

2. Kananmuna. Yhdessä kananmunassa on D-vitamiinia noin 1,2 µg.

3. Maksa. Sian ja naudan maksa sisältävät D-vitamiinia noin 1 µg 100 grammassa.

4. Sienet, kuten kantarelli ja suppilovahvero. 100 grammassa suppilovahveroita on noin 15 µg D-vitamiinia.

5. Maitotuotteet. Hyviä D-vitamiinin lähteitä ovat D-vitaminoidut maitovalmisteet ja kasvipohjaiset juomat. 2 desissä maitoa tai piimää D-vitamiinia on noin 2–4 μg.

6. Margariinit ja kevytlevitteet. D-vitaminoiduissa leipärasvoissa D-vitamiinia on yhdessä teelusikallisessa noin 0,5–1 μg.

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Helena Penttilä
Helena Penttilä
helena.penttila@cosmeshop.fi

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