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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.L-Tryptophan is a large neutral amino acid essential to human metabolism because it is the metabolic precursor of serotonin (a neurotransmitter), melatonin (a neurohormone), and niacin (vitamin B3) which assist in the regulation of sleep, positive mood and immune function. L-Tryptophan is not synthesized by the body and must be obtained from the diet.
Source of an essential amino acid for the maintenance of good health.
Each capsule contains:
| L-Tryptophan | 220 mg |
Non-Medicinal Ingredients
Veg Capsule (hypromellose, water), Cellulose, Stearic Acid
Direction
Adult Dosage: Take 1 capsule daily with meals.
Risk Information
Consult a health care practitioner prior to use if you are pregnant or breastfeeding. Tryptophan supplementation should be avoided in depression with reversed diurnal variation. Patients with liver cirrhosis should avoid tryptophan supplementation.
