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500 mg, 90 vegetarian capsules.
Item# 01722



Supports healthy sleep, mood, stress response, and satiety

500 mg, 90 vegetarian capsules.
Item# 01722


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  • L-Tryptophan
  • 500 mg, 90 vegetarian capsules.
  • Item Catalog Number: 01722

Our premium-quality L-Tryptophan formula helps maintain healthy tryptophan levels in the body. Tryptophan promotes healthy sleep and mood, encourages a healthy stress response, and more.

Benefits at a Glance:

  • Healthy tryptophan levels support healthy sleep and mood1-3
  • Tryptophan helps modulate your body’s natural stress response4,5 
  • Tryptophan promotes satiety and can help you eat less6,7
  • This formula delivers 500 mg of premium L-tryptophan

More facts about L-Tryptophan

Serotonin is a neurotransmitter in the brain associated with positive moods and restful sleep.1-3 Your body requires the essential amino acid tryptophan to produce and maintain healthy serotonin levels.8 But your body cannot make tryptophan on its own.

Sleep, stress response, and satiety

Studies indicate that tryptophan promotes healthy sleep patterns and mood.1-3 It also encourages the body’s healthy response to stress4,5 and L-tryptophan can help support satiety, the feeling of being “full.”6,7 

This supplement helps maintain healthy tryptophan levels with 500 mg of L-tryptophan per serving. Our L-tryptophan has undergone rigorous manufacturing processes to ensure the highest quality and purity. Try it today!

These statements have not been evaluated by the Food and Drug Administration.
These products are not intended to diagnose, treat, cure, or prevent any disease.

  1. Medicine (Baltimore). 2016 Jul;95(28):e4135.
  2. Cochrane Database Syst Rev. 2001;(3):CD003198.
  3. J Nutr. 2016 Dec;146(12):2609S-2615S.
  4. Clin Nutr. 2009 Jun;28(3):266-71.
  5. Arch Psychiatr Nurs. 2015 Apr;29(2):102-7.
  6. J Clin Endocrinol Metab. 2014 Sep;99(9):3275-84
  7. Sci Rep. 2016 Oct 20;6:35727.
  8. J Physiol Pharmacol. 2016 Feb;67(1):3-19.


Supplement Facts

Serving Size 1 vegetarian capsule

Amount Per Serving


500 mg

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


Dosage and Use
  • 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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