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Douglas Laboratories L-Tryptophan supports neurotransmitter health by aiding serotonin and melatonin production, promoting restful sleep. This 60-capsule vegetarian supplement also supports a positive outlook and relaxation, with GMP-compliant manufacturing and GMO-free ingredients trusted by healthcare professionals for 65 years.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Douglas Laboratories L-Tryptophan supports neurotransmitter health by aiding serotonin and melatonin production, promoting restful sleep. This 60-capsule vegetarian supplement also supports a positive outlook and relaxation, with GMP-compliant manufacturing and GMO-free ingredients trusted by healthcare professionals for 65 years.






















