Each serving of Life Extension Boron delivers 3 mg of this important mineral. Boron plays a role in optimal calcium metabolism, making it crucial in supporting healthy bones and joints. It also supports hormonal and cognitive health. Each serving also includes 25 mg of riboflavin (vitamin B2) for added antioxidant benefits.<br/><ul><li><p>Supports bone, joint and brain health</p></li><li><p>3 mg of boron per serving featuring an advanced chelate complex</p></li><li><p>Plus riboflavin (vitamin B2)</p></li><li>Non-GMO</li></ul>