Caltrate Bone Health 600+D3 delivers 600mg of calcium alongside Vitamin D3 in the #1 pharmacist-recommended calcium supplement brand — providing the two most essential nutrients for daily bone health maintenance. 200 tablets for a 3+ month supply. Caltrate is the #1 pharmacist-recommended calcium supplement brand — providing clinically studied calcium + Vitamin D3 formulas for comprehensive bone health. Available at Beauty Riche with same-day shipping.Calcium (600mg per serving as Calcium Carbonate) provides the primary structural mineral for bone density. Vitamin D3 (Cholecalciferol) is the essential cofactor for intestinal calcium absorption — without adequate D3, only 10–15% of dietary calcium reaches bone. Together 600mg Ca + D3 provides the most evidence-based daily bone health nutrient combination per clinical guidelines for adults 50+.