High-potency immune support* Enhances calcium absorption for optimal bone health Note: People consuming more than 2000 I.U. per day should have their vitamin D blood levels monitored by a health care professional. Helps regulate mood and sleep rhythms* Helps replenish vitamin D in tissue stores* Vitamin D3 5000 is Nordic Naturals' signature high-potency vitamin D product, suitable for clinical applications aimed to correct or avoid vitamin D deficiency, or to fast-track support for overall health and wellness.* With 5000 I.U. of natural vitamin D3 (cholecalciferol) in extra virgin olive oil, Vitamin D3 5000 helps replenish vitamin D in tissue stores, supporting patients at increased risk of deficiency.* This product does not contain fish oil. *These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.