Vitamin D3 4000IU provides a high-strength serving of vitamin D for adults who have higher requirements as advised by a healthcare professional. Vitamin D supports normal immune function, bone maintenance, muscle function and normal calcium absorption. This 1-year supply offers cost-effective daily supplementation in once-a-day tablets. Ideal for those with limited sun exposure or specific needs identified by a practitioner. For best results and safety, use under appropriate guidance and alongside a balanced diet and lifestyle.
