N4
NutriHerb
≥ 98.5% 99%
| Availability: | |
|---|---|
Basic Information
Product Description
L-Methionine is an essential sulfur-containing amino acid widely used in dietary supplements, animal nutrition, pharmaceutical formulations, and functional foods.
It plays a critical role in protein synthesis, metabolic processes, and nutritional balance, making it a key ingredient in both human and animal nutrition products.

| Product Name | L-Methionine Powder | Purity | ≥ 98.5% |
| Standard | USP / EP / BP | Appearance | White or slightly off-white crystalline powder |
| Grade | Food Grade / Feed Grade / Pharmaceutical Grade | Shelf Life | 24 months |
Function and Application
Supports protein synthesis and amino acid balance
Important precursor for cysteine and glutathione
Contributes to normal metabolic and liver function
Enhances nutritional value in food and feed formulations
Helps improve growth performance and feed efficiency in animal nutrition
Amino acid capsules, tablets, powders
Sports nutrition & protein blends
Poultry, livestock, aquaculture feed formulations
Improves amino acid balance and feed utilization
Amino acid infusions
Nutritional formulations
Fortified foods
Nutritional beverages & powders
FAQ
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
Product Parameters
| Item | Specification | Test Result |
| L-Methionine | ||
| Appearance | White Powder | Conforms |
| Odor | Characteristic | Conforms |
| Taste | Characteristic | Conforms |
| Purity | ≥99.0% | Conforms |
| Loss on Drying | ≤5.0% | Conforms |
| Ash | ≤5.0% | Conforms |
| Particle Size | 95% pass 80 mesh | Conforms |
| Heavy Metals | ≤10PPM | Conforms |
| Ar | ≤2PPM | Conforms |
| Ld | ≤2PPM | Conforms |
| Cd | ≤2PPM | Conforms |
| Mr | ≤2PPM | Conforms |
| Total Plate Count | 10000cfu/g Max | Conforms |
| Yeast&Mold | 1000cfu/g Max | Conforms |
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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