Protocol For Life Balance L-Tryptophan, 1,000 mg, 60 Tablets
60 tablets · Tablets
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Price history
Best price so far: £29.31 at Iherb on 2 Sept 2026
Close to the typical price of £29.31 over the last 90 days — a drop may be worth waiting for. Set an alert and we'll tell you.
About this product
Encourages Positive MoodSupports Relaxation & Restful SleepNon-GMOA Dietary SupplementVegetarian/VeganKosherTryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. In the brain, tryptophan is converted into serotonin, a neurotransmitter involved in feelings of well-being, calmness, personal security, and relaxation. It also plays a role in the regulation of appetite and synchronization of sleep patterns. Every lot of Protocol For Life Balance® L-Tryptophan is tested to be free of peak E and microbial contamination.