• Life Extension L-Tryptophan, 500mg - 90 Veggie Capsules
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Life Extension L-Tryptophan, 500mg - 90 Veggie Capsules

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Our premium-quality L-Tryptophan formula helps maintain tryptophan levels to promote healthy sleep and mood, encourage a healthy stress response, promote satiety and more.

Serotonin is a neurotransmitter in the brain associated with positive moods and restful sleep. Your body requires the essential amino acid tryptophan to produce and maintain healthy serotonin levels. Our formula delivers 500 mg of L-tryptophan that has undergone rigorous manufacturing processes to ensure the highest quality and purity.


Ingredients: L-Tryptophan.

Other ingredients: Vegetable cellulose (capsule), microcrystalline cellulose, hydroxypropyl methylcellulose, stearic acid.


Take one (1) capsule 1 to 3 times daily on an empty stomach, or as recommended by a healthcare practitioner.

For maximum absorption, take with a small amount of carbohydrate, such as diluted juice.

Best if taken separately from protein and amino acids.


Consult your healthcare provider before taking this product if you are taking prescription medications (e.g. MAOI and SSRI antidepressants) for depression. Concomitant use of L-tryptophan with antidepressant medications has the potential to increase the risk of serotonin syndrome, characterized by symptoms like confusion, sweating, agitation, nausea, involuntary muscle contractions, and racing heartbeat. Do not use L-tryptophan before driving or operating heavy machinery.


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