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 labOur 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

State-of-the-art instrumentation
Modern analytical instrumentation configured for accuracy, consistency, and throughput.
Mass spectrometry
Compound identification based on molecular weight and fragmentation patterns.
UPLC analysis
High-resolution chromatographic separation for purity and compositional analysis.
Biological assays
Endotoxin (LAL) and microbial testing for biological contamination assessment.
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.
- Internal testing for Purple Peptides and associated companies
- Certificates published for every tested lot
- Outside sample testing not offered at this time
