Active substance
Melatonin
5 products from 4 companies contain this in United States.
5 without prescriptionLiquid
Available without a prescription
Melatonin6X/mLWithout prescription Deseret Biologicals, Inc. · MelatoninMelatonin6X/mLWithout prescription BioActive Nutritional, Inc. · MelatoninMelatonin 15279X/29.5mLWithout prescription Professional Complementary Health Formulas · MelatoninMelatonin Cord6C/mLWithout prescription Energique, Inc. · MelatoninMelatonin Phenolic6X/mLWithout prescription Energique, Inc. · Melatonin
Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.