Herb Cal Tab

Herb Cal Tab and 9 near-identical products are sold under 8 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Herb Cal Tab	Sunrider
Chewable Vitamin D3 Berry Flavor 400 IU	Treehouse
Vitamin D-3 1,000 IU	Source Naturals
Bone-Sil	Terry Naturally
Vitamin D3	Synergy
Silica-20 20 mg	EuroMedica
Herb Cal Tab	Sunrider
Vitamin D-3 1,000 IU	Source Naturals
Performance Vitamin D3 5,000 IU	Nutra Sport
Vitamin D3 125 mcg (5,000 IU)	VitaScript