L-Tryptophan 500 mg
LifeExtension L-Tryptophan contains 500 mg of the amino acid l-tryptophan. The product is good value for money.
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90 capsules: April 2026
Take one to three capsules per day on an empty stomach.
For maximum absorption and action, take with a small amount of carbohydrate, such as diluted juice and preferably separately from protein or amino acids.
Discount
Price per piece with purchase of:
1 | units: | ||
2 | units: | -5% | |
3 | units: | -10% | |
4 | units: | -15% | |
5 | units: | -20% | |
8 | units: | -25% |
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LifeExtension L-Tryptophan contains 500 mg of the amino acid l-tryptophan. The product is good value for money.
Product name: | LifeExtension L-Tryptophan 500 mg |
Content: | 90 vegetarian capsules |
Supplement Facts per capsule (Serving Size)
Amount | |
L-Tryptophan | 500 mg |
Ingredients L-tryptophan, capsule (cellulose (vegetable)), fillers (microcrystalline cellulose, hydroxypropylmethylcellulose), stearic acid.
Suggested use
Take one to three capsules per day on an empty stomach.
For maximum absorption and action, take with a small amount of carbohydrate, such as diluted juice and preferably separately from protein or amino acids.
Stick to the recommended daily dosage, unless otherwise advised.
A varied, balanced diet and a healthy lifestyle are important. Nutritional supplements are not a substitute for a varied diet. More usage advice.
This supplement is: |
Not suitable for vegetarians |
Suitable for vegans |
Storage advice Store in a cool, dry and dark place. Not in the refrigerator.
Keep out of reach of children.
Best by date 90 capsules: April 2026
Dietary supplement Amino acid supplement
Distributor EU: LifeExtension Europe BV
1175 RH 38 Lijnden
NL: Smeets & Graas
9728 TB 11 Groningen
LifeExtension L-Tryptophan contains 500 mg of the amino acid l-tryptophan. The product is good value for money.
Warning |
Do not use in combination with drugs that affect brain function (sleeping drugs and/or antidepressants). |
Allergy information | |
Gluten | no |
Shellfish | no |
Eggs | no |
Fish | no |
Peanut | no |
Soy | no |
Milk (lactose) | no |
Tree nuts | no |
With sweetener(s) | no |
With caffeine | no |
Yeast | no |
Lupine | no |
Corn | no |
Mustard | no |
Rice | no |
Celery | no |
Sesame | no |
Molluscs | no |
Sulfur dioxide and sulfite | no |
Coloring additives | yes |
Flavourings | no |
Conservatives | no |
Deviations from the label It may happen that texts on our website differ from the texts on a product's label.
Health issues If you have health issues and/or are taking medication, always consult your doctor before taking certain supplements.
Pregnancy/breastfeeding, children If a product does not explicitly state that it is intended for pregnant or breastfeeding women, or children, we recommend consulting an expert first.
More information For more information on label discrepancies, what to do in case of
health complaints, and answers to other questions, please visit our
Frequently Asked Questions page.
Contact If you still have questions, please feel free to contact us.