Extra Strength Melatonin 10 mg Liquid Natural Black Cherry Flavor

Extra Strength Melatonin 10 mg Liquid Natural Black Cherry Flavor and 2 near-identical products are sold under 3 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Extra Strength Melatonin 10 mg Liquid Natural Black Cherry Flavor	Vitamin World
Liquid Melatonin 10 mg Natural Black Cherry Flavor	Solgar
Melatonin Liquid 10 mg Natural Black Cherry Flavor	Puritan's Pride Premium