- Tested
- COA
- Janoshik
SinoSource Peptides — Wholesale Peptide Supplier: MOQ, Pricing & COAs
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
What we can confirm about SinoSource Peptides
Every line is a record we hold, dated. Where we have no evidence the row says so instead of disappearing — and nothing here changes when a vendor pays for placement.
- Listed on PeptidesFinder
Since June 2026
In our directory for 2 months.
- Prices in our index
Quote-only
Wholesale pricing is quoted per enquiry, so there is no public price list for us to read.
- Certificates of analysis
2 documents, no lot data
Uploaded before lot numbers and dates were recorded. Each opens below so you can read it yourself; none is linked to a lot, a product or a lab record.
- Catalog we hold
20 research peptides
Product names recorded for this vendor. Only listings with a verified price count toward the price-index row above.
- Third-party testing
Janoshik testing recorded
Recorded in our directory against this vendor.
- Ships from
China (Wuhan)
As listed by the vendor.
- Payment methods
Crypto, Bank wire
As listed by the vendor.
- Reviews on this page
None yet
No member has reviewed this vendor here. The reputation score on this page is compiled from public sources, not written by us.
What we hold
Testing and documents
Shipping and payment
Reputation
Current promos(1)
New Buyer Discount
10% off your first bulk order. Applies to orders over 50g.
Expires Dec 31, 2026
Certificates of analysis
Uploaded through our admin form before lot numbers and dates were recorded. These have not been checked against a lab record; open each to read it.
Documents without lot data2 · no lot, date or laboratory recorded
Uploaded before lot numbers and dates were recorded. Each opens so you can read it yourself; none is linked to a lot, a product or a lab record.
A certificate of analysis reports what a lab measured in the sample it received: identity, purity and content, plus endotoxin or sterility where those lines appear. It says nothing about other lots, and nothing about fitness for any use.
Something wrong with this certificate? Tell us →Peptides offered(20)
Frequently asked questions
- What is SinoSource Peptides's minimum order quantity?
- SinoSource Peptides's minimum order quantity is 10g (Per gram (bulk tier discounts at 50g, 100g, 500g)).
- What are SinoSource Peptides's lead and shipping times?
- Lead time is 3–5 business days after payment. Estimated shipping time is 10–18 business days.
- Does SinoSource Peptides provide COAs and third-party testing?
- Yes — SinoSource Peptides provides certificates of analysis, including third-party (e.g. Janoshik) lab testing.
- What payment methods does SinoSource Peptides accept?
- SinoSource Peptides accepts bank wire / TT and cryptocurrency.
- How do I get a wholesale quote from SinoSource Peptides?
- Send an enquiry through PeptidesFinder using the "Contact vendor for a quote" button on this page. SinoSource Peptides replies in your inbox with MOQ pricing, availability and lead times.
Community reviews
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