Vitamin D3

Vitamin D3 and 8 near-identical products are sold under 7 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Vitamin D3	Treehouse
Baby's Vitamin D3	Nordic Naturals
Vitamin D3 Drops for Kids 10 mcg (400 IU) Unflavored	Natural Factors
Baby's Vitamin D3 400 IU	Nordic Naturals
Baby D3 10 mcg (400 IU)	California Gold Nutrition
Baby's Super Daily D3 400 IU (10 mcg)	Carlson
Children's Vitamin D3 Drops Grape Flavor	NewtonEverett
Baby's Super Daily D3 10 mcg (400 IU)	Carlson
Super Daily D3 400 IU (10 mcg)	Carlson Baby's