About Osavi – OSAVI L-tryptophan 500 mg (60 caps)
OSAVI L-Tryptophan 500 mg delivers a clean, precise dose of L-tryptophan — an essential amino acid that must be obtained through diet — in a convenient vegan capsule. Each capsule provides 500 mg of pure L-tryptophan with no unnecessary fillers, making it a straightforward choice for those looking to complement their daily nutritional intake.
L-tryptophan is a naturally occurring amino acid found in a variety of protein-rich foods. As an essential nutrient, adequate intake is an important part of maintaining a balanced diet and supporting overall wellbeing. OSAVI’s commitment to quality means this product is free from gluten, lactose and animal-derived ingredients, making it suitable for vegan and vegetarian lifestyles.
With 60 capsules per pack, this product offers a two-month supply when used as directed. The simple, minimal formulation — just L-tryptophan and a plant-based capsule shell — reflects OSAVI’s focus on transparency and purity.
Nutrition Facts
| Nutrient | Per serving (1 capsule) |
|---|---|
| Energy | 9 kJ / 2 kcal |
| Fat | 0 g |
| – of which saturates | 0 g |
| Carbohydrates | 0 g |
| – of which sugars | 0 g |
| Fibre | 0 g |
| Protein | 0.5 g |
| Salt | 0 g |
| L-tryptophan | 500 mg * |
* No established Nutrient Reference Value (NRV).
Ingredients
L-tryptophan, shell (hydroxypropyl methyl cellulose).
Capsule shell: hydroxypropyl methyl cellulose
Usage & Dosage
Take 1 capsule 30 minutes before sleep. Swallow the capsule with a glass of water.
Warnings
Do not exceed the recommended daily serving. Do not use in children, pregnant women, or during lactation. A dietary supplement cannot be used as a substitute for a varied diet. Maintain a varied diet and a healthy lifestyle.
Allergen Information
No allergens declared.
Storage
Store in a dark and dry place at room temperature, out of reach of small children.
Dietary Information
- Vegan
- Vegetarian
- Gluten free
- Lactose free






