NutraBio D3K2 Essential Nutrient Pair for Bone, Heart, and Immune Health NutraBio D3K2 combines two powerful, research-backed vitamins—Vitamin D3 (5000 IU) and Vitamin K2 (180 mcg as MenaQ7®)—to support bone strength, calcium metabolism, cardiovascular function, and immune system health.* Key Benefits: Supports immune system health* Promotes strong bones and teeth by optimizing calcium absorption* Helps prevent arterial calcification and supports heart health* May support mood and cognitive function* Provides the clinically studied MK-7 form of Vitamin K2* Non-GMO, gluten-free, and lab-tested for purity and potency** Why Combine D3 with K2? While Vitamin D3 enhances calcium absorption from the gut, Vitamin K2 ensures that calcium is properly directed into the bones and away from soft tissues like arteries.* This synergistic pairing promotes optimal skeletal and cardiovascular health.* Clinically Studied Ingredients: Vitamin D3 (as Cholecalciferol): Supports bone mineralization, immune defense, and overall health* Vitamin K2 (as MenaQ7® MK-7): Helps activate bone-building proteins and may support arterial flexibility*