Cysteamine
Cysteamine for animal feed, supplied from audited Chinese mills with a full specification and certificate of analysis on enquiry.
About this ingredient

Cysteamine works through the endocrine system rather than as a nutrient. It depletes somatostatin, the hormone that suppresses growth hormone release, so growth hormone circulates at a higher level and feed converts more efficiently into lean tissue.
It is unstable and irritant in the free form, so it is supplied coated or as a stable salt for controlled release. Regulatory status varies considerably between markets, so confirm approval for your destination before ordering.
Where it is used
- Swine finishing, for feed conversion and leanness
- Broiler performance programmes
- Aquaculture growth programmes
- Ruminant finishing, where permitted
Formulation note
Confirm that cysteamine is permitted in your market before any formulation work. Where approved, use the coated or stabilised form supplied for feed, since the free compound is unstable and irritant.
Specification on request
We have not published a full specification sheet for this ingredient yet. Send us your tonnage and destination port and we will return the complete specification, a recent certificate of analysis and a delivered price.
Buying Cysteamine from China
- Minimum order: one container.
- Terms: FOB Chinese port or CIF your destination port.
- Packing: standard export bags, with jumbo bags or custom packing on request.
- Shelf life: 12 months when stored dry and sealed.
- Quality: every lot is tested before shipment, and SGS, Intertek or CCIC inspection can be arranged at the load port.
- Documents: certificate of analysis, commercial invoice, packing list, bill of lading and certificate of origin, plus health or phytosanitary certificates where your import rules require them.
Frequently asked questions
How does cysteamine improve growth?
It lowers somatostatin, the hormone that suppresses growth hormone release, so growth hormone levels rise and feed converts more efficiently into lean tissue.
Is cysteamine approved as a feed additive?
Approval varies widely between countries and it is not permitted in some markets. Check with your local regulator before ordering.
Why is cysteamine supplied coated?
Free cysteamine is unstable and irritant. Coating or supplying it as a stable salt improves handling and gives controlled release in the gut.
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Tell us the product, the tonnage and the port
Send those three things and we come back with a delivered price, a full specification and a recent certificate of analysis. Usually the same working day.