New Chapter Bone Strength Take Care Description Non-GMO Verified Formula Plant-Sourced Whole-Food Calcium, Not Limestone Reduces the Risk of Osteoporosis Slow & Steady Release Calcium Formula with Magnesium Target Cal with D3 & K2 Acts to Direct Calcium to Bones Wild-Crafted from Iceland Gluten Free Kosher Do you know what is in your calcium supplement? Truth is, most common types of calcium supplements are calcium carbonate derived from limestone rock. Bone Strength Take Care is different. It's the #1-selling natural plant based calcium. New Chapter Calcium includes fermented Vitamin D3 and Vitamin K2 for a 3-in-1 complete formula that supports not only bone strength but also joint mobility, and heart health. Our Whole-Food Difference Plant-sourced and porous, our whole-food Calcium is part of an intricate matrix of minerals in a natural honeycomb structure, versus the basic architecture of limestone calcium that lacks other bone-supportive nutrients. For holistic bone nourishment, our Calcium source also delivers Magnesium and 70+ other trace minerals, is one of the most clinically studied species of plant calcium, and is identity assured as 100% Lithothamnion species. Wild-Crafted from Iceland Wild-crafting means gathered from Nature - no pesticides, no fertilizers. Our whole Red Marine Algae (Lithothamniun) plant is harvested sustainably from its natural habitat in pristine Icelandic waters. Young, living plants are left untouched, preserving the coastal ecosystem. 3-In-1 Bone, Joint & Heart Support Whole-Food Calcium Plant-sourced Calcium wild-crafted from Iceland's pristine coastline gives you whole-food, bone strengthening Calcium.