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Does sunscreen compromise vitamin D levels? Maybe not

Date:: May 9, 2019
Source:: Wiley
Summary:: Sunscreen can reduce the sun's adverse effects, but there are concerns that it might inhibit the body's production of vitamin D. In a new study, however, investigators recorded an increase of vitamin D in participants during a week of cloudless weather, with very high UV index, even when sunscreens were used properly and prevented sunburn.
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FULL STORY

Sunscreen can reduce the sun's adverse effects, but there are concerns that it might inhibit the body's production of vitamin D. In a newBritish Journal of Dermatologystudy, however, investigators recorded an increase of vitamin D in participants during a week of cloudless weather, with very high UV index, even when sunscreens were used properly and prevented sunburn.

Sunlight contains UVA and UVB radiation, and the latter is essential for vitamin D synthesis. Two sunscreens with the same SPF were compared. Sunscreen with a high UVA protection factor enabled significantly higher vitamin D synthesis than a low UVA protection factor sunscreen, likely because it allows more UVB transmission.

The findings indicate that the benefits of sunscreen use can be obtained without compromising vitamin D levels.

“Sunlight is the main source of vitamin D. Sunscreens can prevent sunburn and skin cancer, but there has been a lot of uncertainty about the effects of sunscreens on vitamin D," said lead author Prof. Antony Young, of King's College London. "Our study, during a week of perfect weather in Tenerife, showed that sunscreens, even when used optimally to prevent sunburn, allowed excellent vitamin D synthesis."

RELATED TOPICS
- Health & Medicine

RELATED TERMS
- Sunscreen
- B vitamins
- Vitamin A
- Sunburn
- Rickets
- Vitamin E
- Ultraviolet
- UV index

Story Source:

Materials provided byWiley.注意:内容可能被编辑风格d length.

Journal Reference:

A.R. Young, J. Narbutt, G.I. Harrison, K.P. Lawrence, M. Bell, C. O'Connor, P. Olson, K. Grys, K. Baczynska, M. Rogowski‐Tylman, H.C. Wulf, A. Lesiak, P.A. Philipsen.Optimal sunscreen use, during a sun‐holiday with a very high UV index, allows vitamin D synthesis without sunburn.British Journal of Dermatology, 2019; DOI:10.1111/bjd.17888

Cite This Page:

Wiley. "Does sunscreen compromise vitamin D levels? Maybe not." ScienceDaily. ScienceDaily, 9 May 2019. .

Wiley. (2019, May 9). Does sunscreen compromise vitamin D levels? Maybe not.ScienceDaily. Retrieved June 29, 2023 from www.koonmotors.com/releases/2019/05/190509115443.htm

Wiley. "Does sunscreen compromise vitamin D levels? Maybe not." ScienceDaily. www.koonmotors.com/releases/2019/05/190509115443.htm (accessed June 29, 2023).