Studies about vitamin D, bright light, and PMS:

Vitamin D Supplementation for Premenstrual Syndrome-Related Mood Disorders in Adolescents with Severe Hypovitaminosis D (2016)

Conclusion: In a randomized control trial involving 158 vitamin D-deficient teenage girls and young women, the girls given high doses of vitamin D adequate for correcting their deficiencies experienced significantly less severe PMS symptoms over the four-month period compared to the placebo group.


A Controlled Study of Light Therapy in Women with Late Luteal Phase Dysphoric Disorder (1998)

Conclusion: In a 6-month randomized control trial comparing the effects of 10,000 lx bright light with 500 lx placebo light on women with late luteal phase dysphoric disorder, it was found that bright light therapy (you know… like SUNLIGHT) was effective for significantly reducing PMS symptoms and improving mood.



Back to Research Directory

Back to Blog

Leave a Reply