Spinal & Sports Care Clinic

Vit. D and Seasonal Affective Disorder

By Kathi Shirley

Seasonal Affective Disorder (SAD) is a situational mood disorder  brought on by dercreasing daylight in the winter months.  Recent studies suggest that Vitamin D defeciency can contribute to SAD, especially in the northern latitudes.

Recommended dosage for Vitamin D supplementation is 1000 to 2000 IU per day.  (Try our Biotics Bio D Emulsion or Bio D Forte liquid forms!)

Other treatments for SAD include: Getting outside everyday; Exercise; Light Therapy; Keep a Regular schedule for waking and going to sleep; Eat foods in season that are whole and minimally processed; Choose whole grains and complex carbohydrates (avoid refined carbs and sugars); Supplement with high quality Omega 3 oils, vitamins and minerals.

Major Vitamin D Functions

- Supports key mineral absorbtion and metabolism (especially calcium and phosphorus in bones)

- Regulates normal cell differentiation and proliferation (e.g. prevention of cancer)

- Promotes insulin sensitivity and blood sugar regulation

- Regulates over 200 genes through binding to Vitamin D receptors throughout the body