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Douglas Laboratories
Douglas Laboratories L-Tyrptophan 1000mg 60 capsules *OUT OF STOCK*
Douglas Laboratories L-Tyrptophan 1000mg 60 capsules *OUT OF STOCK*
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$69.50 NZD
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Douglas Laboratories L-Tyrptophan 1000mg 60 capsules. L-Tryptophan is an essential amino acid and a precursor for the synthesis of serotonin. Tryptophan crosses the blood-brain barrier and is converted to L-5-Hydroxytryptophan (5-HTP), which in turn is converted into serotonin. Serotonin is an important neurotransmitter necessary for the regulation of appetite, mood, and melatonin production.
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