Description

Mono L Methionine Powder

Our Mono L Methionine Powder is a high-purity essential sulfur-containing amino acid, serving as premium raw material for animal feed additives, human nutritional supplements, oral functional food and cosmetic care formulations. It is manufactured via advanced bio-fermentation and multi-stage precision purification technology, presenting uniform white fine crystalline powder with outstanding flowability and anti-caking performance, delivering highly consistent stable quality across all production batches. As an indispensable natural methionine source for organisms, it effectively accelerates protein synthesis in the body, boosts liver detoxification and metabolic protection, and nourishes healthy hair, skin and nail growth. This versatile amino acid raw material has broad application value, covering both human wellness nutrition and livestock, poultry, aquaculture animal nutrition industries.

Specification： ≥99.0%

Sample： Free Sample Available

Test method： HPLC (Assay) / USP Pharmacopoeia methods (Loss on drying, Residue on ignition, Heavy metals, Microbial limits) Synonyms： L-Methionine, L-Methionine Powder, Mono L-Methionine

Appearance： White crystalline fine powder

Particle size： >95% pass 80 mesh

MOQ： 1 KG Package： 1kg/aluminum foil bag, 25kgs/fiber drum Certificate： HACCP, ISO 22000, HALAL, GMP, Kosher (available upon request)

CAS number: 63-68-3

Product Characteristics

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Appearance

Fine, free-flowing white crystalline powder, slight characteristic amino acid odor.

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Purity

≥99.0% tested by HPLC, high standard food & feed grade raw material.

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Solubility

Easily soluble in water at room temperature, mixes evenly without precipitation.

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+21.0° ~ +25.0°, standard optical rotation value to confirm pure L-isomer.

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Particle Size

95% pass 80 mesh, uniform particle size, anti-caking during production.

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GMP Manufacturing

Produced in certified GMP factory, full-process quality inspection & strict control.

Benefits of Mono L Methionine Powder

High purity fermented L-methionine, excellent fluidity, easy to mix for all kinds of finished products.
Wide dual application for human health supplements and animal feed additive markets.
Low impurity indicators, full set certification documents to meet global export inspection standards.
Stable physical property, no agglomeration, will not cause discoloration during compounding.
Flexible order support, free trial samples, small test orders and mass bulk supply available.

Application Fields

Dietary Supplements (Core Application):

Liver protection & detox capsules, hair, skin & nail nourishment powder, anti-aging vitality formulas, amino acid premix complex, liver metabolic support blends (with B vitamins), sports nutrition protein supplements, anti-hair loss compound formulations.

Functional Foods & Beverages:

Nutrient-fortified protein drinks, beauty oral liquid shots, nourishment gummy candies, amino acid solid beverage powder.

Feed Nutrition Additives:

Livestock & poultry feed fortifier, aquaculture feed additive, improves animal growth efficiency and fur quality.

Clinical & Medical Nutrition:

Amino acid nutritional preparations, postoperative recovery nutritional formulas, liver auxiliary nutrition supplies.

OEM Finished Products:

Liver care capsules, hair-nail nourishment chewable tablets, amino acid compound powder, anti-aging softgels – full private label custom manufacturing available.

Production Process

This flowchart illustrates the full standardized production process of Mono L Methionine Powder. Bio-fermentation, multi-stage purification and multi-round strict quality tests ensure high-purity, consistent and safe amino acid raw materials with complete global certification documents.

Product Quality Advantage

≥99% Purity – HPLC verified premium fermented essential amino acid, consistent high content.

High Optical Purity – Confirmed pure L-isomer via polarimetry, full biological activity, directly absorbable by organisms.

Excellent Solubility – Dissolves rapidly in room-temperature water, evenly mixed for all formula types.

Low Heavy Metals – Strictly controlled, Pb <0.3 ppm, As <0.5 ppm, meets global food & feed safety standards.

cGMP Certified – Produced in standardized certified workshops, full production traceability from raw material to finished goods.

Batch-specific COA – Each lot comes with independent test report covering content, optical rotation, heavy metal and microbial indicators.

Annual Capacity: 1,500 Tons | 15+ years of ingredient expertise

Professional ODM/OEM Services

We provide full OEM/ODM service for finished goods based on Mono L Methionine Powder, covering whole process from formula design to bulk shipment.

① Finished Dosage Forms Capsules: 200–1000mg, veggie/gelatin shell, custom packaging Tablets: Direct compression / granulation, custom shape & emboss Chews & Gummies: Natural flavors, sugar-free formula options Compound Powders: Stick packs / drums, blended with amino acids & vitamins Oral Liquid Shots: Liver & beauty nutrition drinks Feed Premix: Nutrition fortifier for livestock & aquaculture

② Classic Compound Formulas Mono L Methionine + B Vitamins – liver metabolism support Mono L Methionine + Lysine – protein synthesis booster Mono L Methionine + Biotin – hair, skin & nail care Mono L Methionine + Choline – liver detox support

③ Supporting Services Custom flavor adjustment, third-party certification (HALAL, Kosher, ISO, GMP), formula stability test, complete export regulatory documents.

If you are interested in our Mono L Methionine Powder, please feel free to contact us for details and quotations.

📧 Email: wangjing@landnutra.com

📱 WhatsApp: +86 18092657549

Export Certificates

LANDNUTRA is a trusted maker of premium Mono L Methionine Powder. We control full production flow to ensure high purity and consistent batch quality. Complete GMP, Halal, Kosher certifications and export documents are available. LANDNUTRA – Where science meets reliable raw material supply.

Mono L Methionine Powder COA

Why choose us

XI'AN LANDNUTRA CO., LTD. – Your Trusted Manufacturer of Functional Ingredients. Rooted in Quality, Driven by Expertise, Committed to Health and Excellence.

Strong Production Capability: Annual capacity 1,500 tons. 15+ years experience, own facility.
Leading Service: ONE-STOP OEM/ODM from pre-sales to after-sales.
Quality Assurance: CQC-certified enterprise, purity embedded in every process.
Broad Market: Botanical Extracts, Cosmetic Ingredients, Functional Ingredients.

15+ years of ingredient manufacturing. cGMP‑certified facilities. Full in‑house OEM/ODM capabilities for a wide range of supplement formats. Regulatory documentation for global markets. Batch‑specific COA including optical rotation, heavy metals (ICP‑MS), water content, and purity. Technical support for formulation and stability.

FAQ

Q1: What are the main application fields of Mono L Methionine Powder?

A: It can be used in human amino acid supplements, liver health formulas, hair-nail care products, as well as poultry, livestock and aquaculture feed fortifier.

Q2: Is your methionine powder compatible with other amino acid raw materials?

A: Yes, the powder has great fluidity and dispersibility, can blend evenly with lysine, threonine and other amino acids without stratification or agglomeration.

Q3: Can you provide complete export documents for customs clearance?

A: We offer COA, MSDS, TDS, together with ISO, HALAL, SGS certificates, all test standards comply with USP, suitable for global market customs clearance.

Q4: What is your MOQ and sample policy?

A: MOQ is 1kg, free samples within reasonable weight are available for your formula testing; we accept small trial batches and long-term large-volume orders.

Q5: How to ensure stable quality between different batches?

A: We adopt full-process fermentation control and secondary purification, each batch will be tested by HPLC before shipment to control content, heavy metal and microbial indicators uniformly.

Q6: What main application fields can Mono L Methionine Powder be used in?

A: It is widely adopted in human amino acid supplements, liver care formulas, hair & nail nourishment products, functional foods, as well as nutrition fortifiers for livestock, poultry and aquaculture feed.

Q7: Can this methionine powder blend well with other amino acid raw materials?

A: Absolutely. The powder owns superior fluidity and dispersibility. It mixes evenly with lysine, threonine and multiple vitamin materials without caking, layering or discoloration.

Q8: What is the difference between L-Methionine and DL-Methionine, why choose your Mono L Methionine?

A: Our Mono L Methionine is biologically active, which can be directly absorbed and utilized by human bodies and animals with no secondary conversion required. Compared with DL-Methionine, it contains no ineffective isomers, delivers higher bioavailability, better formula efficacy and stronger market competitiveness for finished goods.

Q9: Does this powder absorb moisture easily? Will it clump during production?

A: This product features low moisture content and weak hygroscopicity. Its fine, uniform crystalline structure effectively avoids agglomeration under normal production and storage conditions, simplifying your whole manufacturing process.

Q10:Can you offer tiered pricing for bulk orders? How long is the delivery lead time?

A: We provide volume tier discounts, the unit price will be more favorable with larger orders. In-stock goods can be shipped within 3-7 days. For customized mass production, we will confirm the exact lead time in advance, and long-term cooperative clients can get stable exclusive pricing.

Q11: What test methods do you adopt for this raw material? Do you support third-party re-inspection?

A: We use HPLC to test the main content, and adopt professional equipment for heavy metal and microbial tests. Third-party re-inspection is fully acceptable, all testing standards are consistent with our official COA

Item	Specification	Test Result	Conclusion
Product Nam	Mono L Methionine Powder	Conforms	Pass
Assay (Methionine Content)	≥99.0%	99.3%	Pass
Loss on Drying	≤0.4%	0.18%	Pass
Residue on Ignition	≤0.1%	0.04%	Pass
Heavy Metals (as Pb)	≤10ppm	<3ppm	Pass
Arsenic (As)	≤2ppm	<0.5ppm	Pass
Lead (Pb)	≤1ppm	<0.3ppm	Pass
Total Microbial Count	≤1000CFU/g	<80CFU/g	Pass
Yeast & Mold	≤100CFU/g	<10CFU/g	Pass
E.Coli	Negative in 10g	Negative	Pass
Salmonella	Negative in 25g	Negative	Pass

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