Calcium + D

Calcium + D and 12 near-identical products are sold under 6 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Calcium + D	Equaline
Calcium + D	Equaline
Calcium + D	Equaline
Calcium 600 With D	Sunmark
Calcium 600 mg & Vitamin D	Equaline
600+D	Caltrate
Calcium	up&up
Calcium 600 mg Vitamin D 400 IU	up&up
Calcium 600 mg + D3	Kirkland Signature
Calcium 600 + D3	Simply Right
Calcium 600 mg	Kirkland Signature
Calcium 600 mg with Vitamin D3	Kirkland Signature
Calcium 600 mg with Vitamin D3	Kirkland Signature