Natural Factors Calcium &Magnesium Citrate with D3 Plus Potassium, Zinc &Manganese helps in the development and maintenance of bones and teeth. The minerals are in the citrate form, making them more readily absorbable and metabolized by the body.

Calcium (Citrate)|250mg Magnesium (Citrate)|250mg Manganese (Citrate)|1mg Potassium (Citrate)|20mg Zinc (Citrate)|5mg Silicon from horsetail 100mcg Vitamin D3 (Citrate)|100IU Natural Factors Calcium & Magnesium Citrate With Vitamin D tablets contain no artificial preservatives, colour, sweeteners, dairy, gluten, starch or yeast.

Take 2 Tablets daily with food, a few hours before or after taking other medications, or as directed by a health professional.

Argiratos, V., and S. Samman. "The effect of calcium carbonate and calcium citrate on the absorption of zinc in healthy female subjects." European journal of clinical nutrition 48.3 (1994): 198. http://www.ncbi.nlm.nih.gov/pubmed/8194505 Anderson, J. J. B. "Calcium, phosphorus and human bone development." The Journal of nutrition 126 (1996). http://agris.fao.org/agris-search/search.do?f=1998/US/US98250.xml;US1997059263 Beyer, F. R., et al. "Combined calcium, magnesium and potassium supplementation for the management of primary hypertension in adults."Cochrane Database Syst Rev 3 (2006). http://summaries.cochrane.org/CD004805/combined-calcium-magnesium-and-potassium-supplementation-for-the-management-of-primary-hypertension-in-adults