Every batch is HPLC-tested by an independent laboratory and ships with a lot-matched Certificate of Analysis. Pharmaceutical-grade, traceable. For research use only.
Every compound we distribute passes the same four-step verification. If it doesn't clear all four, it doesn't ship. The list stops there.
High-Performance Liquid Chromatography run by an independent accredited laboratory on every batch. Any batch that does not meet the purity specification does not ship.
A printed COA matched to the exact lot number in your shipment. From an independent, named laboratory. Their contact details are on every certificate so you can call and verify directly.
Pharmaceutical-grade insulated packaging keeps temperature-sensitive compounds controlled in transit, so the product arrives in the same condition it left the facility.
Every vial and blister carries a KF-prefixed lot number that maps to a single production run and its laboratory report, so any unit can be traced back to its batch.
Cinematic product film following the Keifei T-ENTBOLIN vial through the laboratory and production line, from inspection to finished packaging.
Every lot number maps to a single production run. One batch, one certificate, one lab report. The consistency of the product depends on the consistency of the source.
No internal testing. Every batch tested by an accredited third-party lab. Results are published — not filtered.
Every vial carries a lot number matched to a production run and lab report, so any unit can be traced to its batch.
All compounds supplied for research use only. Intended for in-vitro and analytical research applications.
Each product ships with its lot-matched Certificate of Analysis and cold-chain documentation.
Unauthorized sites including keifeipharma.com sell product under the KEIFEI name with no affiliation, no COA, no lot traceability, and no cold-chain documentation. We cannot verify the safety or purity of anything sourced elsewhere.
Every authentic KEIFEI injectable has five verifiable markers. If any one is missing or inconsistent, the product is not from our facility.
Aluminum crimp cap embossed with KeiFei® wordmark. Color is product-specific. Fakes: plain cap, wrong font, blurred print.
KF-prefixed, machine-printed with manufacture date and expiry. Handwritten or missing = non-genuine.
Counterfeit cannot be linked to a controlled production batch. No lot = unknown origin.
Hexagonal honeycomb pattern, KeiFei® wordmark, QR code. Box lot must match vial lot exactly.
Missing or generic Certificate of Analysis. Real KEIFEI COA names your exact batch lot and HPLC purity.
Embossed on aluminum crimp cap. Blue = T-ENTBOLIN. Fakes: plain or blurred.
KF-prefixed, machine-printed with dates. Handwritten or missing = non-genuine.
Counterfeit cannot link to a controlled production batch. No lot = unknown origin.
Hexagonal pattern + lot number matching vial. Box and vial lots must be identical.
Generic or absent Certificate of Analysis. Real COA names your exact batch lot + HPLC purity.
Every batch is tested by a third-party accredited laboratory before release.
Lot-matched certificate. Named lab. You can call them.
Temperature-controlled packaging from dispatch to your door.
A lot-matched Certificate of Analysis from an independent laboratory accompanies every product.
Compounds are produced in a facility operating to Good Manufacturing Practice standards.
KEIFEI manufactures research compounds across three classes — oral tablets, oil-based injectables, and a wider catalogue. Each product is lot-numbered and accompanied by a Certificate of Analysis.
Film-coated tablets manufactured under pharmaceutical-grade standards. Exact active compound per tablet, lot-verified. Includes Dianabol, Anavarbol, Clenbuteric, Halotestbol and more.
10ML pharmaceutical vials, sterile-sealed with colour-coded caps per compound. Includes Testosterone, Nandrolone, Trenbolone, Boldenone and Trestolone series.
Browse the complete Keifei Pharma catalogue, filterable by category. Each product lists its compound, strength, format, lot numbering and Certificate of Analysis.
Lot number, embossed cap, branded box, and a lot-matched COA — what each one is, and what a counterfeit gets wrong.
Read note →
Identity, assay, impurities, lab signature. A line-by-line guide to what a real COA tells you — and how to verify it.
Read note →
Why injectables and orals are stored differently, what the cold chain protects, and how to read storage and expiry.
Read note →Every KEIFEI batch is HPLC-tested by an independent laboratory, ships with a lot-matched Certificate of Analysis, and is documented for cold-chain handling. Supplied for research use only.