- Tested
- COA
- Janoshik
SinoSource Peptides Review (2026): Wholesale Peptide Supplier
One of China's largest bulk peptide manufacturers. We supply pharmaceutical-grade raw peptide powder directly from our GMP-certified facility in Wuhan. All batches are independently tested by Janoshik Analytical with public COA reports.
Wholesale pricing is quote-based. Send an enquiry here and the supplier replies in your inbox with MOQ pricing, availability and lead times.
Supplier snapshot
Min. order qty
10g
Price basis
Per gram (bulk tier discounts at 50g, 100g, 500g)
Lead time
3–5 business days after payment
Ships from
China (Wuhan)
Est. ship time
10–18 business days
Reship policy
Free reship on confirmed seizure with tracking evidence
Samples
Available
Current promos(2)
New Buyer Discount
10% off your first bulk order. Applies to orders over 50g.
Expires Dec 31, 2026
Summer Bulk Deal
25% off orders over 200g. Limited time.
Expires Aug 31, 2026
Quality & payment
Third-party testing
Yes — independently tested
Janoshik verified
Yes
Crypto
Accepted
Wire transfer
Accepted
COA documents
Peptides offered(20)
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