{"id":6988,"date":"2023-08-01T14:52:39","date_gmt":"2023-08-01T12:52:39","guid":{"rendered":"https:\/\/rilling-healthcare.de\/nicht-kategorisiert\/what-forms-of-vitamin-d-are-there\/"},"modified":"2026-09-07T19:33:46","modified_gmt":"2026-09-07T17:33:46","slug":"what-forms-of-vitamin-d-are-there","status":"publish","type":"post","link":"https:\/\/rilling-healthcare.de\/en\/blog-en\/what-forms-of-vitamin-d-are-there\/","title":{"rendered":"What forms of vitamin D are there?"},"content":{"rendered":"\t\t
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Vitamin D is an important nutrient that the body urgently needs for many functions, but which it does not always get enough of. This is because vitamin D cannot be absorbed in sufficient quantities through food. Instead, the skin produces it with the help of sunlight. Because this is often not enough in our latitudes, many people take the vitamin as a dietary supplement in addition to a healthy diet. However, vitamin D is not always the same substance; there are different forms. This blog post explains which ones there are and how they differ. <\/p>

How many forms of vitamin D are there?<\/h2>

The term vitamin D does not refer to a single substance, but is a collective term for various fat-soluble vitamins. There are seven different forms of vitamin D in total: Vitamin D1, D2, D3, D4, D5, D6 and D7. The natural vitamin D that is formed in the body is vitamin D3. The other forms are artificially produced vitamins, some of which fulfill completely different functions in the body. <\/p>

When we talk about vitamin D, we are therefore usually referring to vitamin D3, the natural form. This is also contained in most food supplements, at least in German-speaking countries. The situation is different in the USA and other countries. There, vitamin D2 is also used as a food additive or dietary supplement. <\/p>

Why is vitamin D so important in the body?<\/h2>

Vitamin D is crucial for many bodily functions:<\/p>