# Vitamin D?

**URL:** <https://boards.straightdope.com/t/vitamin-d/841869>\
**Category:** In My Humble Opinion\
**Created:** [October 16, 2019, 9:11pm UTC](https://boards.straightdope.com/t/vitamin-d/841869 "2019-10-16T21:11:06Z")\
**Posts on this page:** 3\
**Page:** 2

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**Author:** ![Cabin\_Fever\_1](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/cabin_fever_1/32/2908_2.png) [@Cabin\_Fever\_1](https://boards.straightdope.com/u/Cabin_Fever_1)\
**Post date:** [October 17, 2019, 8:39am UTC](https://boards.straightdope.com/t/vitamin-d/841869/21 "2019-10-17T08:39:25Z")

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> [@Omar\_Little](#):
>
> Seasonal Affective Disorder (SAD) - [Seasonal affective disorder (SAD) - Symptoms & causes - Mayo Clinic](https://www.mayoclinic.org/diseases-conditions/seasonal-affective-disorder/symptoms-causes/syc-20364651)

Yes. I was diagnosed. I would rather call it SA Depression. I has hit me hard migrating from gulf coast Texas to here.

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**Author:** ![Eva\_Luna](https://avatars.discourse-cdn.com/v4/letter/e/e495f1/32.png) [@Eva\_Luna](https://boards.straightdope.com/u/Eva_Luna)\
**Post date:** [October 17, 2019, 9:31am UTC](https://boards.straightdope.com/t/vitamin-d/841869/22 "2019-10-17T09:31:26Z")

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Supplements made a huge difference for me. I have a pretty varied diet, but it still takes 5,000 IU/day of Vitamin D supplements to keep me solidly in the normal range.

Costco carries reasonably priced cage-free eggs, if there’s one near you. Or do you have somewhere to keep your own chickens?

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**Author:** ![BigT](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/bigt/32/12044_2.png) [@BigT](https://boards.straightdope.com/u/BigT)\
**Post date:** [October 17, 2019, 12:51pm UTC](https://boards.straightdope.com/t/vitamin-d/841869/23 "2019-10-17T12:51:25Z")

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Just to be clear, the happy lights (which you can get pretty cheaply these days–mine was $40) don’t help with the Vitamin D. They just help with keeping your diurnal clock the same as it was in the summer, by simulating the earlier sunrise.

Vitamin D deficiency is a separate aspect thought to possibly contribute to SAD.

(I know other posters may know this. I just brought it up because I could see someone seeing the “happy light” recommendations as a replacement for Vitamin D supplementation.

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