Collagen is abundant in tendons, ligaments, bones, blood vessels and connective tissues. JointOK+ is a unique scientific-based food supplement containing proprietary award-winning specific collagen peptides, calcium, magnesium and vitamin D that helps keep bones, tendons and ligaments healthy.; JointOK+ increases Bone Mass Density (BMD) by contributing to higher synthesis of collagenous bone matrix and provides the framework of calcium (JBM 2021, JMNI 2020, Nutrients 2018, Nutrafoods 2018), and stimulates the biosynthesis of elastin for healthy tendons and ligaments (Nutrients 2019, JSSM 2018, SAJSM 2017) .; Calcium and magnesium are needed for maintenance of normal bones. Vitamin D helps absorption of calcium. Magnesium and Vitamin D are important for muscle and nerve function. (Ref. NIH Office of Dietary Supplements); ; 1 Sachet / day