Oyster Shell Calcium + D

Oyster Shell Calcium + D and 11 near-identical products are sold under 4 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Oyster Shell Calcium + D	Equaline
Oyster Shell Calcium + D	Equaline
Oyster Calcium 500 mg + D	Wonder Laboratories
Oyster Calcium 500 mg + D	Wonder Laboratories
Oyster Calcium 500 mg + D	Wonder Laboratories
Oyster Shell Calcium w/D	DC
Oyster Shell Calcium w/D	DC
Oyster Shell Calcium 500 mg with Vitamin D3	Nature's Blend
Oyster Shell Calcium w/D	DC
Oyster Shell Calcium 500 mg	Nature's Blend
Oyster Shell Calcium 500 mg	Nature's Blend
Oyster Calcium 500 mg + D	Wonder Laboratories