The Vitami D Council tells you how vitamin D relates to your health.
One question and answer is:
“Can I get sun exposure and take supplements?
Yes. In fact, that is the Vitamin D Council’s recommendation. On days that you do not get enough full body sun exposure, it is important to take a supplement. For most people on the Monday-Friday indoor work schedule, that means taking a supplement 5-6 days a week and getting sun exposure on a day or two during the weekend.”
Have a look what else the Vitamin D Council recommends: