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> Life Extension - Optimized Tryptophan Plus 90 vegetarian capsules
Life Extension - Optimized Tryptophan Plus 90 vegetarian capsules
Serotonin is a neurotransmitter in the brain associated with positive moods and restful sleep.1-4 To produce and maintain optimum serotonin levels, your body requires tryptophan, an essential amino acid the body cant produce.1 In the body, tryptophan has been shown
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