Vitamin D—is the sun enough for us?
Abstract Vitamin D is the easiest available of the exogenous vitamins, just to go outside on a sunny day …. This, of course, is a simplification, but it raises some considerations, such as whether enjoying the beautiful weather during summer will provide us with adequate vitamin D during the dark wi...
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| Main Author: | |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2025-07-01
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| Series: | Nutrition & Metabolism |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s12986-025-00962-9 |
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| Summary: | Abstract Vitamin D is the easiest available of the exogenous vitamins, just to go outside on a sunny day …. This, of course, is a simplification, but it raises some considerations, such as whether enjoying the beautiful weather during summer will provide us with adequate vitamin D during the dark winter, without the need for additional supplementation. Some sites in the organism provide the long-term supply of calcidiol to serum, such as the adipose tissue or muscles. The questions are: are our “internal storage” of vitamin D efficient? For how long will this storage last? Which of the sources—the sun or oral supplementation is better? In this article, the author also tried to raise a subjects as follows: the doses of vitamin D that the sun provide us with and the form of vitamin D appropriate for the possible formation of its storage in the body. The following conclusions can be drawn: skin synthesis as the sole source of cholecalciferol does not guarantee the maintenance even of a minimal recommended serum calcidiol levels throughout the year. The supplemented doses should be correlated with the determined level of calcidiol in serum. The conducted research shows that vitamin D3 is more effective than vitamin D2. It is need to be aware that the issue of defined vitamin D supplementation, recommendations for the healthy population is very much alive and still open, which confirms its special importance not only for our condition, but also in the sense of broadly understood prevention. |
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| ISSN: | 1743-7075 |