Complete ADK Synergy for Calcium Metabolism: Vitamin D3 (5000 IU) supports calcium absorption, while Vitamins K1 & K2 help activate proteins involved in normal calcium use and distribution.* Vitamin A (as beta-carotene) works alongside vitamin D at the level of cellular regulation.* A comprehensive ADK formula designed to support balanced calcium metabolism.* Includes Both K1 + K2: Unlike many D3 supplements that include only Vitamin K2, this formula provides both Vitamin K1 (550 mcg) and Vitamin K2 (50 mcg) to support coordinated bone and cardiovascular health.* A broader fat-soluble vitamin complement than standard D3+K2 formulas. Vitamin A as Beta-Carotene (Provitamin A): Provides 1000 IU of Vitamin A as beta-carotene from carrot, a provitamin A that the body converts according to physiological need.* Supports immune health, vision, and cellular integrity as part of everyday wellness.* Formulated for integrative healthcare professionals and wellness-focused individuals. Manufactured in a cGMP-compliant facility and third-party tested for quality and purity. Gluten-free, vegetarian capsules. No wheat, milk, eggs, fish, shellfish, peanuts, tree nuts, or sesame. Because this formula contains Vitamin K, consult a healthcare professional if taking blood thinners. Take with a meal containing dietary fat to support optimal absorption of fat-soluble vitamins.* Physicians Trust Natura Health Products - Serving the medical community since 2001, Natura Health Products is the trusted brand for professional, therapeutic grade supplements. Natura Health Products DAK is an advanced dietary supplement formulated with Vitamin D3 (cholecalciferol) 5000 IU, Vitamin K2 (menaquinone), Vitamin K1, and Vitamin A in a carefully balanced combination designed to support healthy bone density, cardiovascular function, healthy immune system function, and normal calcium utilization as part of everyday wellness.* This comprehensive vitamin blend provides complementary fat-soluble nutrients that work together within normal physiological processes, helping support the body's ability to absorb and properly use calcium.* Unlike single-ingredient vitamin D supplements, this D-A-K formula includes both K1 and K2 to support normal calcium distribution while Vitamin A contributes to healthy immune and cellular function as well as healthy vision support.* Formulated for adults seeking to maintain healthy vitamin D levels year-round - especially those with limited sun exposure, indoor lifestyles, or seasonal needs - this supplement is designed for consistent daily use as part of a balanced nutrition plan. Each bottle contains 60 vegetarian capsules, providing a two-month supply at the recommended serving of one capsule daily. For optimal absorption of vitamins A, D, and K, take with a meal that contains dietary fat. Natura Health Products has served the medical and integrative health community since 2001, offering professional-grade supplements manufactured in a cGMP-compliant facility and third-party tested for quality and purity. This gluten-free formula does not contain wheat, milk, eggs, fish, shellfish, peanuts, tree nuts, or sesame. Intended for adult use only. Because this formula contains vitamin K, individuals taking blood thinners should consult a qualified healthcare practitioner before use. If pregnant, nursing, taking medication, or managing a medical condition, seek professional guidance prior to use. Store in a cool, dry place and use only as directed.*