From the plant.Proven by science.
An audited, factory-direct source for bitter melon peptide and 200+ plant extracts — with the certification, consistency and documentation global buyers demand.
A supplier your QA, R&D and procurement teams can all sign off on.
Bolin moved from trading to its own audited factory — source control, consistency and full export compliance in one partner.
200+ standardized extracts across 15 categories.
One audited factory partner for many of your ingredient lines — peptides, plant sterols, botanical monomers, fruit & vegetable powders and food-homology actives.
Bitter melon · peptide powder · capsulePolypeptide-K, 75% / 85%
From trader to our own factory.
Bolin brought its own audited production line online — the single strongest signal an overseas buyer looks for: source control, auditability and consistent supply.
- Self-owned, audit-ready production line
- In-house QC lab & batch testing
- Raw-material traceability to origin
The latest from BolinHerb.
2026-07-02 · 2 minBolinHerb launches new global website with AI sourcing assistant
BolinHerb's new global website helps B2B buyers browse 200+ extracts, ask the AI sourcing assistant for specs, COA and quotes, and read in multiple languages.
2026-06-28 · 4 minHow to evaluate a bitter melon peptide supplier: a buyer checklist
A buyer checklist for qualifying a bitter melon peptide supplier, covering marker specs, COA review, audit access and lot-to-lot consistency.
2026-06-20 · 3 minReading a COA: what each line tells you about a plant extract
A practical COA guide for procurement and QA teams buying plant extracts, covering assay, moisture, heavy metals, micro limits and common red flags.
Get your COA & sample pack — fast.
Tell us the product, target purity and volume. Our technical team replies with documentation and a sample — no slow back-and-forth.