Vitamin D3

Vitamin D3 and 19 near-identical products are sold under 12 different brand names — a near-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
Vitamin D3 25 mcg (1000 IU) Unflavored	Natural Factors
Baby's Vitamin D3 400 IU	Nordic Naturals
Super Daily D3 1,000 IU (25 mcg)	Carlson
Super Daily D3 4,000 IU (100 mcg)	Carlson
Baby D3 10 mcg (400 IU)	California Gold Nutrition
D-Mulsion 1000 Natural Lemon Flavor	Pharmax
D-Mulsion 2500 Extra Strength Natural Citrus Flavor	Genestra Brands
D3 Liquid	Metagenics
MetaKids D3 Liquid	Metagenics
Baby's Super Daily D3 400 IU (10 mcg)	Carlson
Super Daily D3 5,000 IU (125 mcg)	Carlson
Vitamin D3 5000 IU 125 mcg	Advanced Nutrition by Zahler
Liquid Vitamin D3 2000 IU	Ddrops
Children's Vitamin D3 Drops Grape Flavor	NewtonEverett
Baby's Super Daily D3 10 mcg (400 IU)	Carlson
Super Daily D3 2,000 IU (50 mcg)	Carlson
Super Daily D3 400 IU (10 mcg)	Carlson Baby's