Vitamin D is very useful for both men, women along with children. Due to our sedentary lifestyle, people forget to bask in the sunlight. It is very important to have a brisk walk in the sun for at least 15 minutes in the early morning. If in case you are Vitamin D Deficiency PCOS patient, it becomes mandatory for you to do so. The desired amount of vitamin D will help to keep all your ailments at bay.