Support your health using high-quality supplements with Theralogix TheraCal D4000. This physician-recommended calcium supplement is formulated with key bone health nutrients. It's designed to help maintain strong bones and support a healthy, active lifestyle for years to come. The daily dose includes nutrients that are essential for promoting bone health, including 2,000 mg of calcium citrate and high-dose vitamin D3. TheraCal D4000 also includes magnesium and boron to help support joint health in addition to bone health.TheraCal D4000 is independently verified for content accuracy, purity, and freedom of contaminants through Nsf International. In a market where finding trustworthy supplements can be a challenge, Theralogix solves this unmet need. Theralogix is committed to following the science wherever it leads, and continues to provide supplements for men and women that are competitively priced and support your best health.