Best Naturals L-Tryptophan 500 mg 60 Capsules

Best Naturals L-Tryptophan 500 mg 60 Capsules L-tryptophan supports relaxation L-Tryptophan promotes restful sleep L-Tryptophan encourages positive mood L-tryptophan supports healthy nervous system All Best Naturals products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world -- Proudly Made in USA -- Purity & Potency Guaranteed L-tryptophan is an essential amino acid. It is critical for the production of serotonin an melatonin, which help to support a positive mood, healthy sleep patterns and proper immune function. Best Naturals L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality.