Natural Vitamin K2 45 mcg

Natural Vitamin K2 45 mcg and 19 near-identical products are sold under 16 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Natural Vitamin K2 45 mcg	Doctor's Best
K 100 mcg	Thompson
Antarctic Krill Omega 369 Plus 7	Dr. Venessa's Formulas
Activated K2	VitaCeutical Labs
Activated K2	Vitamer Laboratories
Peak K2	AOR Advanced Orthomolecular Research Advanced
Vitamin K2 MK-4 (Menatetrenone) 5 mg	Carlson
Vitamin K2 MK-4 (Menatetrenone) 5 mg	Carlson
Vitamin K 1+2 100 mcg	Dr. Clark Research Association Dr. Clark Zentrum
Vitamin K Triple Play	Bronson
Vitamin K Triple Play	Bronson
Activated K2	Natural Nutra
Vitamin K2	NuMedica
Vitamin K2 100 mcg	Nutricost
D3 & K2	Puritan's Pride
Vitamin K2 180 mcg	Dr. Mercola
Vitamin K2 180 mcg	Dr. Mercola
Mega Vitamin K2 45,000 mcg	Life Extension
Vitamin K	Thorne
Vitamin K2 MK-4 (Menatetrenone) 5 mg	Carlson