L-lysine monohydrochloride (L-lysine HCl) is the hydrochloride salt form of the essential amino acid L-lysine. It is the most common commercial form used in dietary supplements and food fortification because of its stability and high bioavailability. For kosher food manufacturers, sourcing L-lysine HCl with valid kosher certification is a baseline requirement.
This ingredient is produced through fermentation and contains no common allergens, making it suitable for a wide range of dietary programs. Its USP and FCC compliance ensures it meets the strict standards required for both pharmaceutical and food-grade applications.
How L-Lysine HCl Differs from Freeform L-Lysine
L-lysine monohydrochloride has a molecular weight of approximately 182.65 g/mol, compared to 146.19 g/mol for freeform L-lysine. The hydrochloride salt form improves the ingredient’s stability and shelf life while maintaining excellent water solubility.
For formulation purposes, the HCl form is preferred in powder blends and tablet compression because it flows more consistently and resists caking. It typically assays between 99% and 101% purity with no excipients or carriers added.
Kosher Certification Requirements
Kosher certification for L-lysine HCl requires a full audit of the manufacturing facility and raw material chain. Certifying agencies verify that the fermentation substrates, processing equipment, and packaging materials all comply with kosher standards.
Major manufacturers such as Daesang Corporation produce kosher-certified L-lysine HCl using fermentation technology. These products also carry allergen-free declarations under FALCPA, confirming the absence of shellfish, wheat, soy, milk, eggs, fish, and tree nuts.
Applications in Food and Nutrition
Kosher L-lysine HCl is used in protein fortification of baked goods, sports nutrition powders, and meal replacement products. It is also a standard ingredient in amino acid supplement blends sold in capsule and powder form.
The suggested daily intake in supplement applications ranges from 1,000 mg to 3,000 mg. Its non-GMO and vegetarian status makes it compatible with clean-label product development targeting health-conscious consumers.
Sustainability and Supply Chain
The environmental footprint of L-lysine HCl production can be evaluated through metrics like greenhouse gas emissions and water usage at the manufacturing site. Suppliers increasingly provide sustainability data alongside traditional quality documentation, including COA, COO, and specification sheets.
When sourcing in bulk quantities (25 kg bags and above), request both the kosher certificate and a current certificate of analysis to confirm purity, chromatographic results, and absence of organic volatile impurities.
Kosher L-Lysine Monohydrochloride Supplier
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