ABOUT: Zahleru0026#39;s BoneFactor is a bone strength calcium supplement which helps maintain bone health and densitynBENEFITS: Zahler BoneFactor has been formulated expressly to help maintain bone health and preserve bone mass and densitynINGREDIENTS: A Synergistic nutritional blend of calcium, Vitamin K, Magnesium, and Vitamin D3 to help maintain bone health and densitynALL NATURAL SAFE AND EFFECTIVE: All Natural elemental bone support supplement which supports bone and tissue densitynMADE IN THE USA: Manufactured and bottled in a state of art GMP certified facilitynZahler's BoneFactor is a bone strength calcium supplement which helps maintain bone health and density. Elemental bone strength formula a synergistic, nutritional blend of calcium, strontium, Vitamin D3, Vitamin K2, Magnesium and other elemental nutrients. Zahler BoneFactor has been formulated expressly to maintain bone health and preserve bone mass and density. Manufactured in the USA in a state of art GMP certified facility.