I’ve also had quite severe mood changes during autumn/winter and this year I’m supplementing 100ug (4000IU) five days a week. It took a few weeks but it feels l

I’ve also had quite severe mood changes during autumn/winter and this year I’m supplementing 100ug (4000IU) five days a week. It took a few weeks but it feels like I’ve bounced back. For anyone who understands Swedish this presentation is valuable: https://youtu.be/syRaJVIBNnw https://youtu.be/syRaJVIBNnw Article with the same info: http://www.lakartidningen.se/OldWebArticlePdf/6/6279/LKT0711s853_857.pdf http://www.lakartidningen.se/OldWebArticlePdf/6/6279/LKT0711...