Vitamin D3 5,000 IU

Vitamin D3 5,000 IU and 4 near-identical products are sold under 5 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Vitamin D3 5,000 IU	Adaptogen Research
Vitamin D3 125 mcg (5000 IU) Drops	Nature's Blend
D3 5000 IU K2 200 mcg	Double Wood Supplements
Astaxanthin D3 Liquid	Davinci Laboratories
Liquid D3 125 mcg	Windmill Natural Vitamins