
Source Naturals, L-Tryptophan, 90 Tablets
Source Naturals · 90 tablets · Tablets
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Product description
Dietary SupplementWith Vitamin B-6Mood, Relaxation, SleepThe essential amino acid L-tryptophan is the precursor for the synthesis of melatonin and serotonin, a hormone and a neurotransmitter involved with mood and stress response. It helps support relaxation, restful sleep, and a positive outlook. This tryptophan tablet includes vitamin B-6, which is required to convert tryptophan to serotonin. If needed, L-tryptophan is converted to niacin in the body, an important B vitamin. Source Naturals L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality.
Price history
Best price so far: £37.74 at Iherb on 22 Jul 2026