I’ve posted a new video on vitamin D and sun exposure. Like most skincare addicts I’ve long thought that the sun was evil and should be avoided at all costs, but it turns out that’s an outdated viewpoint!
Vitamin D is important for pretty much everything in your body, and a lot of people are deficient in vitamin D. Does sunscreen give you a vitamin D deficiency? How can you keep your vitamin D levels up in winter without risking skin cancer and aging? In this video I talk about:
- Benefits and sources of vitamin D
- Does sunscreen give you a vitamin D deficiency?
- How much sun do you need for vitamin D?
- Health guidelines for sun exposure
- Things to keep in mind with sun exposure
It’s summer in Australia – the lights are hot and my filming room isn’t air conditioned, so please excuse my limp hair and general sweatiness! I’ve also changed my background and microphone set-up for the new year.
The Solar D sunscreen that I mentioned is this one – it selectively lets in some wavelengths of UVB that produce vitamin D, but filters out most other wavelengths.
I use these vitamin D capsules from iHerb (they’re on Amazon too) They’re small and quite cheap – 180 softgels of 1000 IU for $6 AUD. I wouldn’t go above 1000 IU daily since taking too much can also have unpleasant side effects. I personally take one capsule a week in summer, and one every couple of days in winter, since I get some sun on most days (yay Australia), so this bottle will last me for more than a year! There’s more info on the disputed RDA on Examine.
This video is a revised version of my post Sun Protection and Vitamin D Deficiency from last last year.
DG Hoel, M Berwick, FR de Gruijl & MF Holick, The risks and benefits of sun exposure (open access), Dermato-Endocrinology 2016, 8, e1248325.
Position statement – Risks and benefits of sun exposure and vitamin D, Cancer Council Australia 2016.
The new guidelines on vitamin D – what you need to know, NHS Choices 2016.
D Kockott, B Herzog, J Reichrath, K Keane & MF Holick, New approach to develop optimized sunscreens that enable cutaneous vitamin D formation with minimal erythema risk (open access), PLoS One 2016, 11, e0145509.
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