L-Tryptophan Powder – 98%

L-Tryptophan is an essential amino acid and the precursor of serotonin, melatonin and niacin. It is valued in mood, relaxation and sleep formulas; high-purity fermentation grades are standard. Fermentation-derived grades are suitable for vegan positioning.

GUTINS L-Tryptophan — 98% is offered for manufacturers, formulators and brands. Specification: 98%; form / technology: Powder; diet suitability: Vegetarian where process permits.

Product Specifications

Key Benefits

• Precursor to serotonin and melatonin
• Supports relaxed mood
• Supports healthy sleep quality
• Supports niacin production
• Essential amino acid for protein synthesis

Uses & Applications

Typical applications: Sports nutrition, cognition, recovery.

• Sleep support capsules
• Mood and calm formulas
• Evening relaxation blends
• Clinical nutrition
• Protein-fortified foods

How to Use / Dosage

• Typical daily intake: 500-2,000 mg/day, usually in the evening
• Typical use level: 20-100% in capsule and tablet fills; 0.1-0.5% in foods
• Weigh accurately and pre-blend small quantities with a carrier (e.g. maltodextrin, MCC or rice flour) for uniform distribution.
• Final dosage should be based on the lot-specific Certificate of Analysis, the target serving size and the rules of your destination market.

Solubility & Formulation

Slightly soluble in water (about 11 g/L at 25 °C); soluble in dilute acids and alkalis; insoluble in oils

Storage & Handling

Store tightly closed in a cool, dry place protected from light (light-sensitive).. Keep container tightly closed; use clean, dry utensils. Shelf life is typically 24 months in unopened original packaging (see CoA).

Regulatory Note

Tryptophan is a dietary ingredient in the US and permitted in EU food supplements, but some countries set maximum daily amounts or require warnings. Verify limits in the destination market.

Diet suitability: Vegetarian where process permits. This product is supplied as a raw ingredient for further manufacturing and is not a finished consumer product. The buyer is responsible for ensuring the ingredient, its use level and all label claims comply with the regulations of the destination market (e.g. FDA, EFSA, FSSAI, Health Canada, TGA).

Caution & Disclaimer

• Do not combine with SSRIs, MAOIs, triptans or other serotonergic drugs (serotonin syndrome risk)
• May cause drowsiness - avoid with sedatives and before driving
• Use only high-purity, tested material (historic EMS contamination incident)
• Not recommended in pregnancy and lactation

For manufacturing, formulation and professional use only. Not for direct consumption in concentrated form. Keep out of reach of children. Avoid inhalation of dust and contact with eyes; use suitable PPE when handling. Consult a qualified healthcare professional before use if pregnant, nursing, taking medication or managing a medical condition. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Bulk & Wholesale Orders

Need more than 5 Kg, a custom specification, private label support or documentation (CoA, TDS, SDS, allergen and GMO statements)? Contact the GUTINS team for bulk pricing and lead times.