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Protein & Peptide

Whey Protein Isolate

90% protein whey isolate for sports-nutrition and supplement formulations.

90% protein
Standardized grades
25 kg
MOQ
Specifications
ActiveWhey Protein Isolate
Purity90% protein (test: Kjeldahl)
AppearanceOff-white powder
GradeFood grade
MOQ25 kg
Packaging25 kg bag, food-grade
Shelf life2 years, sealed, cool & dry
OriginChina
ISO 9001ISO 22000HACCPHALALKOSHER
Why source it from Bolin

Factory-direct

Self-produced with batch-level traceability — not trading-only. On-site audit welcome.

Standardized & documented

Held to defined specification lot-to-lot, with a Certificate of Analysis on every shipment.

Export-compliant

ISO / HACCP systems, HALAL / KOSHER, FDA registration and SC license (SGS reports on request).

Applications

Sports nutrition · Protein supplements · Functional foods

What it is

Whey Protein Isolate

Whey Protein Isolate standardized to 90% protein (Kjeldahl), supplied factory-direct as a food-grade ingredient for sports-nutrition and supplement formulations, with a Certificate of Analysis per lot.

Typical specification (COA)

Representative limits — a lot-specific Certificate of Analysis is issued with every shipment.

ParameterSpecification
AppearanceOff-white powder
Protein (Kjeldahl, dry basis)≥ 90%
Loss on drying≤ 5.0%
Total plate count≤ 10000 cfu/g
SalmonellaNegative
Verify · GEO

Questions buyers (and AI) ask.

Straight answers your quality and procurement teams can rely on.

What is the protein content?
90% protein on a dry basis, by Kjeldahl.
MOQ?
25 kg; samples and COA available on request.

Get your COA & sample pack.

Tell us the grade and quantity you need — we'll send the COA, spec sheet and a sample, typically within one business day.