Active substance
Serotonin (hydrochloride)
4 products from 4 companies contain this in United States.
4 without prescriptionLiquid
Available without a prescription
Serotonin6X/mLWithout prescription Deseret Biologicals, Inc. · Serotonin (hydrochloride)Serotonin6X/mLWithout prescription BioActive Nutritional · Serotonin (hydrochloride)Serotonin6X/mLWithout prescription BioActive Nutritional, Inc. · Serotonin (hydrochloride)Serotonin Phenolic4X/mLWithout prescription Energique, Inc. · Serotonin (hydrochloride)
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.