Dr. Alison Gottschalk, Women’s Hormones ND on Instagram: "Let me explain how Vitamin D is essential to the function of this ovary. Vitamin D enters the body, and is converted into calcitriol. Calcitriol enters our cells, binds to VDRs, forming a complex. This complex binds to a section of our DNA, which can turn certain genes up or down, influencing the function of the cell. Here’s how it relates to PCOS: 60-80% of people with PCOS are vitamin D deficient. With a deficiency, we will see a disrup