L-Arginine AKG 2:1

L-arginine and α-ketoglutarate in a 2:1 ratio are primarily used as a physical enhancement supplement.

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L-arginine and α-ketoglutarate (2:1) are mainly used for sports nutrition, improving endurance, and muscle recovery.

Nantong Hengsheng Fine Chemical Co.,Ltd
Product NameL-Arginine Alpha Ketoglutarate 2:1
Batch No.20250312 Batch Size1000KG
Manu.Date2025-03-08Expiry Date2027-03-07





ltemSpecificationResulsTest method
IdentificationHPLCPositiveHPLC
AppearanceWhite to yellow
Crystalline powder
White to yellow
Crystalline powder
Visual
Assay(%)98~102.0100.66 HPLC
L-Ariginine(%)65.5~6966.52 HPLC
Alpha Ketoglutarate(%)26.5~2927.74 HPLC
Specific rotation()[a]o²0
(8g/100mL,6N HCI)
+16.5~+18.518.1 USP
PH(10%HO)5.5~7.06.0 USP
Hydrate≤6.86.4 USP
Chloride(%)≤0.050.03 USP
Loss on Drying(%)≤1.00.35 USP
Residue in Ignition (%)≤0.20.10 USP
Heavy Metals(ppm)≤10 ppm<10 ppmAAS
As(ppm)≤1 ppm<1 ppmAAS
Pb(ppm)≤1 ppm<1 ppmAAS
Cd(ppm)≤1 ppm<1  ppmAAS
Hg(ppm)≤1 ppm<1 ppmAAS
Iron(ppm)≤10 ppm<10 ppmAAS
Bulk density(g/ml)≥0.50.53 
Particle SizeThus 30100%
Total Plate Count (cfu/g)≤1000<1000USP
Yeast(cfu/g)≤100<100USP
Mold (cfu/g)≤100<100USP
E.Coli(cfu/g)NegativeNot detectableUSP
Salmonella(cfu/g)NegativeNot detec
table
USP
Staphylococcus Aureus
(cfu/g)
NegativeNot detetableUSP
Melamine and Melamine
derivatives
FreeFree
ConclusionComply with the specifications

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