Restful Night Extended Release

Restful Night Extended Release and 15 near-identical products are sold under 10 different brand names — a near-twin Formula Twins cluster.

Product	Brand
Restful Night Extended Release	Whitaker Nutrition
Melatonin Calm Sleep Strawberry Natural Flavor	Natrol
Triple Action Sleep	Solgar
Triple Action Sleep	Solgar
Melatonin Plus L-Theanine	AN Amazing Nutrition Amazing Formulas
3 a.m. Melatonin Fast Dissolve Lavender Vanilla	Natrol
Midnight Sleep Fast Dissolve Lavender Vanilla	Natrol
Melatonin 10 mg	Meijer
Tri-Layer Sleep	Puritan's Pride
Sleep with Melatonin Natural Orange Flavor	Zarbee's
Relaxing Sleep Fast Dissolve Tablets Apple Berry	OLLY
3 a.m. Melatonin Fast Dissolve Lavender Vanilla	Natrol
Melatonin 10 mg plus L-Theanine	Nature's Truth
Sleep3	Nature's Bounty
Restful Night Extended Release	Whitaker Nutrition
3 a.m. Melatonin Fast Dissolve Lavender Vanilla	Natrol