Windmill Calcium Citrate Plus D3 supports bone health and vitamin D3 helps your body absorb calcium. Calcium Citrate Plus D3 formula provides you with 315 mg of calcium citrate and 250 IU of D per tablet. Calcium citrate is a form of calcium that does not require stomach acid for absorption, so it is gentler on the stomach and can be taken on an empty stomach without food. Helps to support bone health and vitamin D3 helps your body absorb calcium.† If you compare the Windmill Calcium Citrate + D formula to the Citracal + D3 formula, you will find out that the two formulas are almost identical; however, Windmill does not use artificial colors, flavors, or preservatives. Windmill's promotional pricing will also give you the savings you are looking for. For additional formula information, view the Supplement Facts panel. All Windmill supplements are manufactured in the United States in an FDA-inspected facility whose GMPs (Good Manufacturing Practices) are independently verified by qualified certification organizations. Windmill is a trusted name that has been providing America with quality supplements for over 40 years. Ingredients: Vitamin D (as cholecalciferol)500 IU 125% Calcium (as calcium citrate) 630 mg 63% Other Ingredients: Microcrystalline cellulose, croscarmellose sodium, stearic acid, magnesium stearate, silica and pharmaceutical glaze FREE OF: SUGAR, YEAST, MILK, SOY, ARTIFICIAL COLORS, FLAVORS OR PRESERVATIVES SUGGESTED USE: Take 1 to 2 tablets two times daily as a dietary supplement or as directed by a healthcare professional. abc:10015089 On Jan-20-17 at 10:11:38 PST, Product Listihg.