5-HTP
5-Hydroxytryptophan, also known as oxitriptan, is a naturally occurring amino acid and chemical precursor as well as a metabolic intermediate in the biosynthesis of the neurotransmitter serotonin.
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$26.57Natural Factors - Stress-Relax, Tranquil Sleep, 90 Enteric Coated Softgels
Natural FactorsDietary Supplement 5-HTP, Suntheanine & Melatonin Easy-to-Swallow Softgels Advanced Fast Acting Formula Suntheanine Purity & Potency Guara...
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