Calcium Citrate +D3 Maximum

Calcium Citrate +D3 Maximum and 6 near-identical products are sold under 6 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Calcium Citrate +D3 Maximum	21st Century
Calcium Citrate +D3 Maximum	21st Century
Calcium Citrate Plus D3	Windmill Natural Vitamins
Calcium Citrate & Vitamin D	Swanson
Calcium Citrate 630 mg plus Vitamin D-3	Rite Aid Pharmacy
Calcium Citrate + Vitamin D3	Plus Pharma
Calcium Citrate Plus D3	Windmill