Vitamin K-2

Vitamin K-2 and 7 near-identical products are sold under 8 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Vitamin K-2	NewtonEverett
Natural Vitamin K-2 Bioactive Form	Vitamin World
Vitamin K2	Nutri-Rich
Vitamin K2	AOR Advanced Orthomolecular Research Premium
Vitamin K-2	Puritan's Pride
Vitamin K2 150 mcg	Micro Ingredients
Vitamin K-2 Mena Q7	DC
Omega+++	LifePharm