L-Cysteine HCl Powder – 98.5%

L-Cysteine HCl monohydrate is the more stable salt form of cysteine, widely used in food processing, supplements and pharmaceuticals. It serves as a glutathione precursor and as a flour treatment agent. Fermentation-derived grades are suitable for vegan positioning.

GUTINS L-Cysteine HCl — 98.5% is offered for manufacturers, formulators and brands. Specification: 98.5%; form / technology: Powder; diet suitability: Vegetarian where process permits.

Product Specifications

Key Benefits

• Supports glutathione synthesis
• Supports hair, skin and nail keratin
• Supports antioxidant defences
• Supports liver detoxification pathways
• Source of sulfur amino acid

Uses & Applications

Typical applications: Sports nutrition, cognition, recovery.

• Bakery dough conditioners
• Hair, skin and nail supplements
• Glutathione support capsules
• Reaction flavours
• Pharmaceutical and parenteral nutrition
• Cosmetic hair treatments

How to Use / Dosage

• Typical daily intake: 500-1,500 mg/day (about 69% cysteine)
• Typical use level: 5-40% in capsule fills; 0.001-0.01% as dough conditioner in bakery
• Weigh accurately and pre-blend small quantities with a carrier (e.g. maltodextrin, MCC or rice flour) for uniform distribution.
• Final dosage should be based on the lot-specific Certificate of Analysis, the target serving size and the rules of your destination market.

Solubility & Formulation

Freely soluble in water (acidic solution); soluble in ethanol; insoluble in oils

Storage & Handling

Store tightly closed in a cool, dry place protected from air and light.. Keep container tightly closed; use clean, dry utensils. Shelf life is typically 24 months in unopened original packaging (see CoA).

Regulatory Note

Authorised as a food additive (E920) and nutrient in many markets; verify source declaration and limits in the destination market.

Diet suitability: Vegetarian where process permits. This product is supplied as a raw ingredient for further manufacturing and is not a finished consumer product. The buyer is responsible for ensuring the ingredient, its use level and all label claims comply with the regulations of the destination market (e.g. FDA, EFSA, FSSAI, Health Canada, TGA).

Caution & Disclaimer

• Acidic and sulfurous - may irritate eyes and skin
• Caution with cystinuria
• High doses may cause GI upset
• Declare source (non-animal) where required

For manufacturing, formulation and professional use only. Not for direct consumption in concentrated form. Keep out of reach of children. Avoid inhalation of dust and contact with eyes; use suitable PPE when handling. Consult a qualified healthcare professional before use if pregnant, nursing, taking medication or managing a medical condition. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Bulk & Wholesale Orders

Need more than 5 Kg, a custom specification, private label support or documentation (CoA, TDS, SDS, allergen and GMO statements)? Contact the GUTINS team for bulk pricing and lead times.