Cod Liver Oil

Cod Liver Oil and 5 near-identical products are sold under 6 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Cod Liver Oil	Vitabase
Natural Cod Liver Oil	Sunmark
Cod Liver Oil	Bronson
Cod Liver Oil	Meijer Naturals
Natural Cod Liver Oil	CVS Pharmacy
Norwegian Cod Liver Oil	The Vitamin Shoppe