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L-Leucine Powder 99% Purity, Food Grade, Ready US Stock

Name: L-Leucine Powder 99% Purity, Food Grade, Ready US Stock
Brand: America Suns Life, Inc.
SKU: pr2607141083
Price: 14.5 USD
Availability: InStock

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Unit Price:

$14.5-15.5/KG EXW

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CAS No.:

61-90-5

Grade:

Food Grade

Content:

99%

Port:

Chino, California

Brand:

America Suns Life, Inc.

Packaging:

25kg/ cardboard drum

Price valid (until):

2026-08-13

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America Suns Life, Inc.

Company Type:

Trader

Location:

United States

Qualification:

Main Products:

Amino Acids,Functional Ingredients,Plant/Botanical Extract,Cosmetic Peptides

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Product Description
Seller Information
Inquiry History

Description

Product Detail

— What is L-Leucine? —

L-Leucine is an essential branched-chain amino acid (BCAA) that the body cannot synthesize on its own, making dietary or supplemental intake necessary. It's one of the most researched amino acids in sports nutrition and clinical formulations, widely recognized for its role in muscle protein synthesis. L-Leucine is a key raw material sourced by manufacturers across the sports nutrition, dietary supplements, clinical nutrition, and food fortification industries.

— Key Benefits of L-Leucine —

🔹 Muscle Protein Synthesis – Recognized as the primary BCAA responsible for triggering muscle protein synthesis, making it a core ingredient in muscle-building and recovery formulations.

🔹 Muscle Recovery & Anti-Fatigue – Commonly used to help reduce exercise-induced muscle breakdown and support faster recovery between training sessions.

🔹 Energy & Metabolic Support – Plays a role in energy metabolism, often included in endurance and performance nutrition products.

🔹 Supports Lean Body Mass – Frequently used in weight management and lean muscle maintenance formulations.

🔹 Clinical Nutrition Applications – Used in specialized nutrition formulas to help support nitrogen balance in patients with increased protein needs.

— Common Applications & End Products —

✅ Sports Nutrition: BCAA powders, pre-workout and intra-workout supplements, protein blends, recovery formulas
✅ Dietary Supplements: Capsules, tablets, and powders for muscle support and general wellness
✅ Clinical & Medical Nutrition: Enteral/parenteral nutrition formulations, specialized medical foods
✅ Food & Beverage: Fortified functional beverages, protein-enriched food products
✅ Animal Feed: Nutritional additive for livestock and pet feed formulations

Items	Specifications
Product Name	L-Leucine
CAS No.	61-90-5
Assay	99%
Appearance	White or off-white crystalline or crystalline powder
Grade	Food Grade
Packaging	25 kg/Bag, Cardboard Drum
Shelf Life	2 years
Storage	Store in a cool, dry place, away from direct sunlight and moisture

Certificates

Basic Info

Product Name:

L-Leucine

Other Name:

L-Leucine;Leucine,L-;Leucine;Pentanoic acid,2-amino-4-methyl-,(S)-;Leu;(S)-2-Amino-4-methylvaleric acid;(S)-(+)-Leucine;(S)-2-Amino-4-methylpentanoic acid;(S)-Leucine;L-α-Aminoisocaproic acid;L-(+)-Leucine;L-Norvaline,4-methyl-;NSC 46709;(2S)-2-Amino-4-methylpentanoic acid;L-2-Amino-4-methylpentanoic acid;(2S)-2-Amino-4-methylpentanoic acid;1: PN: WO2020097235 SEQID: 238 claimed sequence;17: PN: WO2021055880 SEQID: 18 claimed protein;7005-03-0

CAS No.:

61-90-5

Molecular Formula:

C6H13NO2

InChIKeys:

InChIKey=ROHFNLRQFUQHCH-YFKPBYRVSA-N

Molecular Weight:

131.17300

Exact Mass:

131.17

EC Number:

200-522-0

UNII:

GMW67QNF9C

NSC Number:

760100

DSSTox ID:

DTXSID9023203

NCI Thesaurus Code:

C29599

Color/Form:

White glistening hexagonal plates from aqueous alcohol|White crystals

HScode:

29224995

Categories:

Nutrition Supplements

Characteristics

PSA:

63.32000

XLogP3:

-1.5

Appearance:

Solid

Density:

1.14 g/cm³

Melting Point:

293 °C

Boiling Point:

122-134 °C @ Press: 2-3 Torr

Flash Point:

90.3ºC

Refractive Index:

1.463

Water Solubility:

H2O: 22.4 g/L (20 C)

Storage Conditions:

Store at RT.

Vapor Pressure:

<1 hPa (20 °C)

Specific rotation:

Specific optical rotation: -10.8 at 25 °C/D (c = 2.2); +15.1 deg at 26 °C/D in 6N HCl (38 mols HCl per mol leucine); +7.6 deg at 20 °C/D in 3N NaOH (30 mols NaOH per mol leucine). Molecular rotation: +21.0 deg at /D (5NHCl); +29.5 deg /D (glacial acetic acid)

PKA:

2.35(at 13 °C)

Henrys Law Constant:

Henry's Law constant = 3.49X10-9 atm-cu m/mol at 25 °C (est)

Dissociation Constants:

2.35 (at 13 °C)|pKa = 2.35|pKa1 = 2.36 (carboxylic acid); pKa2 = 9.63 (amine) (est)

Collision Cross Section:

135.16 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|138.71 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|128 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|134.8 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|130.6 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|132.51 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|135.56 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|131.8 Å² [M-H]-

Experimental Properties:

Crystals. Freely soluble in water. /Leucine hydrochloride/|Hydroxyl radical reaction rate constant = 4.23X10-11 cu cm/molec-sec at 25 °C (est)

See More L-Leucine Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More L-Leucine Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Amino Acids,Functional Ingredients,Plant/Botanical Extract,Cosmetic Peptides

Location:
17588 Rowland St, City of Industry, CA 91748

Payment Terms:
100% TT in advance

Year of Establishment:
2025

About American Suns Life, Inc.

American Sunlife, Inc. is the official U.S. branch of Sichuan Tongsheng Amino Acid Co., Ltd. and Mianyang Shengsheh Health Technology Co., Ltd., two established manufacturers with over 10 years of experience producing high-purity amino acids and active ingredients for the global health and wellness industry.

As the North American extension of our factories, we combine direct-from-manufacturer pricing with strict, GMP-aligned quality control—giving our partners reliable access to premium raw materials without the uncertainty of third-party trading.

Why Choose American Suns Life, Inc.?

🏭 Manufacturer Direct — No middlemen. Competitive pricing backed by full factory-level quality oversight.

📦 Local Inventory, Fast Delivery — Our California-based warehouses mean shorter lead times and dependable domestic shipping across the U.S.

✅ Proven Track Record — A decade of trusted partnerships with top-tier B2B clients throughout North America, Canada, South Korea, Europe.

📞 Responsive Local Support — Real-time communication and customer service based in the U.S., bridging the gap between overseas manufacturing and local business needs.

We're committed to consistency, traceability, and long-term partnerships—helping our clients build products they can stand behind.

Inquiry History

9 Inquiries

Country	Product	Purchase Quantity	Date Posted
United States	L-leucine	10 MT	Jun 10, 2025
India	L-Leusine	25 KG	Apr 21, 2025
Switzerland	L- Leucine instant water soluble	2 MT	Jan 25, 2024
India	L-Leucine	17952 KG	Jul 8, 2026
Greece	LEUCINE (Leu,L)	1000.00 KG	Sep 25, 2025
India	L-Leucine	1 MT	Apr 23, 2025
India	L Leucine	30.00 TON	Aug 30, 2024
India	Leucine	50 G	Jun 10, 2024
India	L-Leucine	500 KG	Aug 22, 2023

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L-Leucine Powder 99% Purity, Food Grade, Ready US Stock

Product Description

Seller Information