Tryptophan Capsules

Tryptophan, 480 Mg, 100 Capsules


– Manufactured under Dr. Hulda Clark’s strict purity protocols

– No additives or flow agents

– 2 capsules per 960 mg. serving. Servings per container: 50

– Made in the USA

– Dietary Supplement / Food Supplement

Read more about Tryptophan

In stock

Product Description

Tryptophan is an essential amino acid, which means that your body cannot manufacture it, so you need it every day either in food or in a supplement.

What is this Amino Acid Used For?

Tryptophan is used by the body for:

  • Growth and development
  • Producing niacin (Vitamin B3)
  • Aided by the niacin, creating serotonin

What is Serotonin Used For?

Serotonin is a calming substance for the body and plays a key role in healthy sleep and a stable mood. For this reason, it is often called a natural sedative.

How to Take It

Tryptophan works best on an empty stomach.

Information about the Manufacturer

Dr. Clark Research Association Purity Testing

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Additional Information

Weight 3.3 oz
Dimensions 4.25 x 2.25 x 2.25 in
Directions / Suggested Use

Adults and children 12 years or more of age: 1 or 2 capsules daily or as directed.


Per 2-capsule serving: L-tryptophan 960 mg. Other ingredient: gelatin capsule.


Keep out of the reach of children., Store in a dry, cool place.

Product Attributes

Gluten Free, Made in the USA, Solvent Free, Chemically Pure, No Additives, No Flow Agents, No Magnesium Stearate, Tested Pure, No fillers, binders, additives, or flow agents


Dr. Clark Research Association



Safety Information / Warnings

Dietary supplements should not be used as a substitute for a varied diet., Keep out of reach of children., Best before Expiration Date.


*These statements have not been evaluated by the FDA (Food & Drug Administration). This product is not intended to diagnose, treat, cure or prevent any disease


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