L-Tryptophan

Pure Encapsulations

L-Tryptophan

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SKU: 1462 Categories: , , Product Brand:

The Promise

Pure L‑Tryptophan — Serotonin precursor

Provides pharmaceutical‑grade L‑tryptophan in a vegetarian capsule with activated B6 included.

Standardized dose per capsule

Each vegetable capsule delivers 500 mg of Tryptopure™ L‑tryptophan.

Activated vitamin B6 included

Contains 5 mg pyridoxal 5'-phosphate (activated B6) to support tryptophan metabolism.*

Vegetarian capsule format

Supplied in vegetable capsules suitable for vegetarian diets.

Available sizes

Offered in 90‑ and 180‑capsule counts to match short‑ or long‑term use.

Why It Works

Formulation and role — How this formulation supports use*

Key ingredient forms and cofactor choices reflect the product's focus on tryptophan metabolism.

01

Tryptopure™ L‑tryptophan

Uses Tryptopure™ as the L‑tryptophan source at 500 mg per capsule, supplying the amino acid precursor to serotonin.

02

Activated B6 cofactor

Pyridoxal 5'-phosphate (5 mg) is included as the active form of vitamin B6, a cofactor in tryptophan metabolic pathways.

03

Divided‑dose suitability

Capsule potency supports taking 2–6 capsules daily in divided doses to adjust total intake.*

04

Dietary compatibility

Vegetable capsule delivery supports vegetarian dietary preferences.*

Reviews

Customer Reviews

Your Journey

How to take Pure L‑Tryptophan — Practical serving, timing and a key safety note

Follow these serving and routine considerations when using this L‑tryptophan product.

Serving size

Suggested 2–6 capsules daily

Take between 2 and 6 capsules per day in divided doses to reach your desired total intake.

Timing

Take between meals

Take each dose between meals as directed to match the suggested usage.

Format & dietary fit

Vegetable capsules

Capsule format is suitable for vegetarian diets and convenient for divided dosing.

Critical selection & interactions

Pregnancy and serotonergic/related medications

Not for pregnant or lactating women; do not combine with serotonergic drugs (SSRIs, MAO inhibitors) or sedative and antipsychotic medications.

Product education

Suggested Use: 2-6 capsules per day, in divided doses, between meals.

L-Tryptophan – Years of research shows, that supplementing with l-tryptophan may support emotional well-being and promote restful sleep. As a neurotransmitter precursor, this amino acid has been studied through clinical trials, as well as double blind placebo-controlled studies, to support emotional processing and in women, was shown to promote a positive outlook on life. In separate studies, l-trytophan has shown to support mood and lessen menstrual cycle irritability. L-tryptophan is often used for sleep support, as this amino acid supports quality, onset and duration of healthy sleep.

What Is It?

The essential amino acid l-tryptophan is a serotonin precursor. It promotes serotonin synthesis to support emotional health and restful sleep.*

Uses For l-Tryptophan

Positive mood:

Research indicates that l-tryptophan supplementation may support emotional well-being. In a double blind placebo-controlled study, l-tryptophan supported healthy emotional processing and promoted positive outlook in women. In a separate study, it supported healthy mood and lessened irritability during the menstrual cycle. Niacinamide and vitamin B6 provide enhanced support as important cofactors involved in the metabolism of l-tryptophan.*

Restful sleep and relaxation: *

Research indicates that l-tryptophan supports healthy sleep quality, onset and duration. Additionally, studies suggest that tryptophan may promote relaxation and help control occasional cravings.*

Are There Any Potential Side Effects Or Precautions?

Not to be taken by pregnant or lactating women. l-Tryptophan can cause gastrointestinal (GI) side effects, including heartburn, belching and flatulence, nausea, vomiting or diarrhea. It has also been related to headache, dry mouth, visual blurring, ataxia, drowsiness and anorexia. Consult your physician for more information.

Are There Any Potential Drug Interactions?

Tryptophan is contra-indicated with serotonergic medications, including SSRI and MAO inhibitor medications. It is also contra-indicated with sedative and antipsychotic medications. Consult your physician for more information.

Supplement record

Review serving details and ingredients for this product.

Supplement Facts:
Suggested Use: 2-6 capsules per day, in divided doses, between meals.
each vegetable capsule contains:
Ingredients AMT %DV
pyridoxal 5' phosphate (activated B6) 5 mg. -
Tryptopureâ„¢ L-tryptophan 500 mg -
Other Ingredients: Not to be taken by pregnant or lactating women.Do not use concurrently with SSRI medications or MAO inhibitors.
(-) There is no %DV or the manufacturer has not provided this data.

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