Vitamin D3

Vitamin D3 and 28 near-identical products are sold under 19 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Vitamin D3	Arthri-D
Vitamin D3 2000 IU	OL Olympian Labs
Vitamin D3 2000 IU	AB American Biologics
Vitamin D-3 2000 IU	Kirkman
One Daily Bone Health + UC-II For Joints	CVS Pharmacy
Vitamin D 2000	Highland Laboratories
EpiCor 500 mg	Source Naturals Wellness
Vitamin D2 2000 IU	Amazon Elements
Probiotic+ Vitamin D	Swanson
Vitamin D3 2000 IU	Bluebonnet
Vitamin D3 2000 IU	Higher Nature
Vitamin D3 2000 IU	Kirkman
Prevagen Extra Strength	Quincy Bioscience
Vitamin D2 50 mcg	Amazon Elements
Wellness EpiCor 500 mg	Source Naturals Wellness
Vegan Vitamin D3 50 mcg (2000 IU)	Natural Factors
Raw D3 2,000 IU (50 mcg)	Garden of Life Vitamin Code
Prevagen Regular Strength	Quincy Bioscience
EpiCor 500 mg	Source Naturals
Vitamin D3 2000 IU	Higher Nature
Vitamin D3 2,000 IU (50 mcg)	Swanson
Vitamin D3 2000	Moss Nutrition
Protectis Capsules Immune Active	BioGaia
Vitamin D3 50 mcg (2000 IU)	Bluebonnet
Vitamin D3 50 mcg (2000 IU)	Bluebonnet
Raw D3 2,000 IU (50 mcg)	Garden of Life Vitamin Code
Raw D3 2,000 IU (50 mcg)	Garden of Life Vitamin Code
Vitamin-D 2000 IU	Pure Essence
Vitamin D Plus	True Botanica