Dr. Formulated Stronger Bones Especially important as we age, bone health is an integral part of staying strong and active. Dr. Perlmutter formulated Stronger Bones with clinically proven ESC® Organic Eggshell Calcium, one of the most absorbable forms of calcium available, as specialized proteins are found in organic eggshells.† Dr. Formulated Stronger Bones Benefits Reduces the Risk of Osteoporosis†† Improved Calcium Absorption† As we age, bone health is an integral part of staying strong and active.