About Purple Research Labs

Purple Research Labs is the internal research and testing lab for Purple Peptides and associated companies. We test our own material in-house and publish the certificates so customers can check any lot themselves.

We are not a contract testing service and do not accept samples from outside companies at this time.

Call the lab

Our principles

The Purple Standard

A modern approach to customer-facing transparency through precision analytical testing.

Calibration

Measurement accuracy

Validated calibration, environmental controls, and quality assurance ensure reliability on every run.

Chain of custody

Procedural transparency

Documented records supporting consumer confidence and operational integrity.

Velocity

Commercial speed

Designed to deliver results within timelines that align with inventory planning cycles.

Designed for operational speed & clarity.

Built around the way our own production runs, with efficiency, transparency, and accountability at every step.

Verify a certificate
  • Predictable turnaround time
  • Internal testing on our own lots
  • State-of-the-art instrumentation
  • Publicly verifiable certificates
Analytical instrumentation in a Purple Research Labs testing suite

State-of-the-art instrumentation

Modern analytical instrumentation configured for accuracy, consistency, and throughput.

Method: LC-MS

Mass spectrometry

Compound identification based on molecular weight and fragmentation patterns.

High precision

UPLC analysis

High-resolution chromatographic separation for purity and compositional analysis.

Sterility

Biological assays

Endotoxin (LAL) and microbial testing for biological contamination assessment.

Coming soon

ICP-MS heavy metals

The gold standard for heavy metal detection with ppb-level sensitivity.

Internal lab

Scientific precision, kept in-house

Testing for Purple Peptides and associated companies. We do not accept samples from outside companies at this time.

Quick turnaround

Results in days, so lots are cleared before they ship.

Reviewed before release

Every certificate is checked by a qualified reviewer before it is published.

Questions about a certificate?

Call the lab if a lot number or result doesn't look right. Mon–Fri, 9:00am – 6:00pm EST.

(734) 386-0507
  • Internal testing for Purple Peptides and associated companies
  • Certificates published for every tested lot
  • Outside sample testing not offered at this time