Ferrous Sulfate

Ferrous Sulfate and 29 near-identical products are sold under 21 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Ferrous Sulfate	Equaline
Ferrous Sulfate Elemental Iron 65 mg	Equaline
Iron Tablets	Sunmark
Iron 65 mg	Nature Made
Iron Supplement	Nature Made
Fergon Ferrous Gluconate	Bayer
Ferronyl Tablets	Douglas Laboratories
Iron 28 mg	Nature's Bounty
Slow Release Iron 45 mg	up&up
High Potency Slow Release Iron 45 mg	Vitamin World
Slow Release Iron 45 mg	CVS Pharmacy
Iron Tablets	Equate
Ferrous Gluconate	Walgreens
Iron 65 mg	H-E-B
High Potency Iron 65 mg	Signature Care
High Potency Iron 65 mg	Signature Care
Slow Release Iron	Member's Mark
Easy Iron 20 mg	Natural Factors
Ferrocite Tablets	Breckenridge Pharmaceutical
Slow Release Iron Supplement 45 mg	up&up
Slow Release Iron Supplement	Slow Fe
ProFerrin ES	Colorado Biolabs
ProFerrin ES	Colorado Biolabs
Klean Iron	Klean Athlete
Iron 65 mg	Nature Made
Iron 65 mg	up&up
Slow Release Iron 45 mg	up&up
Chewable Iron 60 mg with Vitamin C Lemon & Lime	Bariatric Advantage
Chewable Iron 60 mg with Vitamin C Lemon & Lime	Bariatric Advantage
Iron 65 mg	Spring Valley