Immune & Healthy Mindset Support: Allergy Research Group Vitamin D3 provides 125 mcg vitamin D3 to support balanced immune activity and a positive outlook* Eye & Bone Support: Vitamin A supports eye health and immune function, while Vitamin K2 helps direct calcium for strong, healthy bones Daily Essential Nutrient: Delivers a bioavailable form of vitamin D3, A and K2 suitable for adults with limited sun exposure seeking foundational nutritional support* Vegetarian Formulation: This supplement is vegetarian to meet unique dietary needs Solutions Backed by Science: Allergy Research Group and its family of brands—Metabolic Maintenance, MethylPro, Nutricology and Optimox—have delivered trusted supplements for more than 45 years Packaging may vary Allergy Research Group Vitamin D3 Complete 5000 provides a concentrated form of vitamin D to support natural pathways involved in maintaining a healthy mindset, immune activity and eye health.* Lifestyle factors such as limited sunlight, indoor work and sunscreen use can reduce vitamin D levels, making daily supplementation beneficial for foundational health.* Each capsule supplies 125 mcg vitamin D with vitamin A and K2 to support overall nutritional balance.*Vitamin D supports the absorption and retention of calcium and phosphorus and contributes to healthy skeletal maintenance.* It also plays a role in immune system activity for general wellness.* This formula is suitable for individuals seeking daily support for a healthy mindset, immunity and eye health as part of a practitioner-guided regimen.*For more than 45 years, Allergy Research Group has supported healthcare practitioners and their patients with the tools necessary to achieve the confidence that comes from great health. Our tireless dedication to creating clinically sound, evidence-based, condition-specific formulas using clean hypoallergenic ingredients is unsurpassedand it is why our supplements are so widely trusted and well tolerated by both practitioners and patients worldwide.