L-tryptophan - 500mg Capsules

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L-Tryptophan is an essential amino acid used to make proteins and is a precursor to serotonin.


50x 500mg Capsules

Availability: In stock
$45.99 AUD

What is  L-Tryptophan?

L-Tryptophan is a naturally occurring essential amino acid and is a precursor to other chemicals in the body such as serotonin. When there is not enough in the diet, a supplement can help to increase the levels of L-Tryptophan.

What foods contain L-Tryptophan?

Tryptophan is found naturally in many foods including chocolate, oats, fish, meat, sesame seeds, chickpeas, peanuts, rice, bananas, and milk. However, L-Tryptophan becomes less effective after cooking and processing.

Difference between L-Tryptophan and 5HTP

L-Tryptophan is extracted from plants; 5HTP is derived from seeds.


Keep out of reach of children. Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions, and/or taking prescription drugs or over the counter medications. Do not take if on blood pressure medications. Dietary supplements should not replace a balanced diet. Always read the label. L-Tryptophan may cause side effects such as blurred vision, dizziness, drowsiness or fatigue.


Always consult with a licensed and qualified health physician before taking any dietary supplement. This product is not intended to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration or TGA.

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Supplement Facts

Pack Size: 50x 500mg capsules

Description: L-Tryptophan is one of the eight essential amino acids that may be lacking in the modern diet.

Directions: Take 1 or 2 capsules, one to three times a day, or before bedtime.


500 mg

% * Daily value not established

Other ingredients:Vegetable capsule, calcium phosphate, bibasic magnesium stearate, silica.

Note:Keep out of reach of children. Protect from heat, light, and moisture. Not for use by pregnant or lactating women. Do not use after expiration date. always follw the advice of your health professional.

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