PIONEER IN
PLANT EXTRACT
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N5
NutriHerb
≥ 98.5% 99%
Basic Information
L-Tryptophan Powder is a high-purity essential amino acid commonly used in dietary supplements and functional nutrition products. It is well recognized for its high absorption and stable performance in various formulations.
L-Tryptophan is an important nutritional ingredient that the human body cannot synthesize and must obtain from external sources.
Supporting normal nervous system function
Contributing to mood balance and emotional well-being
Supporting sleep quality and relaxation
Participating in protein synthesis and metabolic processes
Due to its good bioavailability, L-Tryptophan is suitable for daily nutrition and long-term supplementation products.
L-Tryptophan Powder is widely applied in:
Dietary supplements
Sleep support and relaxation formulas
Mood and stress management products
Amino acid and protein blends
Capsules, tablets, powders, and sachets
Functional food and nutrition beverages
Q1: Can I get some samples?
A1: Yes. We usually provide 20-50g samples free of charge.
Q2: What is your MOQ?
A2: Our MOQ is flexible. Trial orders of 1-10kg are acceptable, and the standard MOQ for formal orders is 25kg.
Q3: How long is the production and delivery time?
A3: The lead time is about one week after payment is confirmed. Lead times for customized products can be discussed further.
Q4: How do you deliver the goods?
< 50kg: shipped by FedEx, DHL, or other express couriers
≥ 100kg: shipped by air
≥ 100kg: shipped by sea
We can also arrange shipping according to your preference.
Q5: What is the shelf life of your products?
A5: The shelf life is 24-36 months, as stated on the COA.
Q6: How can I pay for my order?
A6: We accept T/T in advance, L/C, D/P, or other terms upon negotiation.
Q7: How do you control product quality?
A7: Our products undergo strict quality control throughout the entire process, including inspection by the National Commodity Inspection & Testing Bureau, accredited third-party labs, our internal QA team, and certifications such as ISO, Halal, and Kosher.
Q8: Do you accept ODM or OEM services?
A8: Yes. We provide ODM and OEM services for softgels, capsules, tablets, sachets, granules, private label products, and more. Contact us to design your own branded product.
Sample
| Item | Specification | Test Result |
| L-Tryptophan | ||
Delivery:Sea/Air Shipping & International Express
Shipping Time: Within a week after payment
Package: 1-5kg/Aluminum foil bag, size: 22cm (Width)*32cm (Length)
15-25kg/Drum, size: 38cm (Diameter)*50cm (Height)
Storage: Kept away from strong light and heat.
Shelf Life: 24 months
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