Amazon.com: KAL Cal-Citrate+, Calcium Citrate Plus Vitamin D-3 and 500 mg of Magnesium, Healthy Bones and Teeth Support, Gluten Free and Lab Verified for Quality, 60 Servings, 240 Tablets : Health & Household
Swanson Calcium Citrate and Vitamin D 250 Tablets - Walmart.com
Amazon.com: 21st Century Vitamins Calcium Citrate Plus D3 Maximum Tablets, 400 Count : Health & Household