Course: How Sunscreen Affects Vitamin D Levels
How Sunscreen Affects Vitamin D Levels
Maria Mas, ND +1

Most of the vitamin D we need is produced endogenously in the skin after exposure to ultraviolet B radiation, which is obtained through sunlight. Since vitamin D is important for health, concerns have been raised about sunscreen interfering with vitamin D production. It has been known that clothing and sunscreens that prevent UV radiation from reaching the skin will inhibit the cutaneous synthesis of vitamin D. However, recent studies have shown that circulating vitamin D levels are not significantly affected by practical sunscreen use. This article discusses the evidence for how sunscreens may affect circulating vitamin D levels and describes options for vitamin D supplementation.


User: Maria Mas
Maria Mas

Maria is a naturopathic doctor who attended the Canadian College of Naturopathic Medicine. She has a strong interest in integrative dermatology, mental health, environmental medicine, and epigenetics. Maria’s passion is to help make integrative medicine more accessible, especially in the state of Florida where naturopathic medicine is currently not regulated. She is an active member of the FNPA and has participated in naturopathic advocacy and lobbying events such as the DCFLI. In the future, she aims to help others reach their own health goals by providing individualized treatment plans that address the multiple root causes of illness. She also loves animals and would like to help make integrative veterinary care more accessible as well.

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User: apan@ucdavis.edu
Adrianne Pan

Adrianne Pan is a third year medical student at California Northstate University. She graduated from UC Davis in 2018 with a degree in Cell Biology. Adrianne has a strong interest in integrative dermatology and is always looking for new approaches to improve skin health.

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