# ACS Peptide Testing Labs

> ACS Peptide Testing Labs is a Florida-based independent peptide testing laboratory serving researchers, biotech companies, compounding pharmacies, and pharmaceutical firms across all 50 US states. We provide third-party analytical testing with no affiliation to any peptide supplier.

## Services

- [Peptide Purity Testing (HPLC)](https://acslabtest.com/purity-testing): RP-HPLC and ion-exchange HPLC analysis with detection limits down to 0.01% impurities. Standard 5-7 business day turnaround.
- [Third-Party Verification](https://acslabtest.com/third-party-verification): Independent COA verification and identity confirmation for peptides purchased from any supplier. Blind testing available.
- [Molecular Analysis](https://acslabtest.com/molecular-analysis): ESI-MS, LC-MS/MS mass spectrometry and NMR spectroscopy for molecular weight determination (+/-0.01% accuracy) and sequence confirmation.
- [Contaminant Testing](https://acslabtest.com/contaminant-testing): **Coming soon** — Heavy metals (ICP-MS), residual solvents (GC-MS per ICH Q3C), endotoxins (LAL testing), and microbial screening. Please inquire for timelines.
- [Stability Testing](https://acslabtest.com/stability-testing): ICH Q1A(R2) compliant long-term (up to 24 months) and accelerated (3-6 months) stability studies under controlled conditions.
- [Custom Analysis](https://acslabtest.com/custom-analysis): Tailored testing protocols, method development, and validation for specific research or regulatory needs.

## Peptides We Test

- [Semaglutide](https://acslabtest.com/peptides/semaglutide): GLP-1 receptor agonist used in weight management and diabetes research.
- [Tirzepatide](https://acslabtest.com/peptides/tirzepatide): Dual GIP/GLP-1 receptor agonist (Eli Lilly's Mounjaro).
- [Retatrutide](https://acslabtest.com/peptides/retatrutide): Triple agonist (GIP/GLP-1/glucagon) in clinical development.
- [BPC-157](https://acslabtest.com/peptides/bpc-157): Body protection compound researched for tissue repair.
- [SS-31 (Elamipretide)](https://acslabtest.com/peptides/ss-31): Mitochondria-targeted tetrapeptide studied for cardiolipin stabilization and cellular energy.
- [MOTS-c](https://acslabtest.com/peptides/mots-c): Mitochondrial-derived peptide studied for metabolic regulation and exercise mimetic effects.
- [Full Peptide Directory](https://acslabtest.com/peptides): Complete list of peptides we test.

## Key Facts

- Location: Florida, USA (nationwide service via overnight shipping)
- Turnaround: 5-7 business days standard, 2-3 days rush
- Independence: No affiliation with any peptide supplier or manufacturer
- Sample requirements: 1-5 mg for purity, 2-10 mg for molecular analysis
- Serving: Researchers, biotech companies, compounding pharmacies, pharmaceutical firms

## Key Statistics (1,200+ Samples Tested)

- 73% of peptides tested show purity discrepancies vs. supplier claims
- Average purity gap: 8.4 percentage points below claimed purity
- 41% of samples have discrepancies greater than 10 percentage points
- GLP-1 peptides (Semaglutide, Tirzepatide) show 81% discrepancy rate
- Only 27% of supplier COAs exactly match independent results (32% in separate study)
- 17% of samples contain detectable heavy metals above USP limits
- Marketplace/aggregator suppliers: 87% discrepancy rate (highest)
- Compounding pharmacies: 43% discrepancy rate (lowest)

## Top FAQs

Q: How much does peptide testing cost?
A: HPLC purity testing: $150-$300/sample. Comprehensive panels: $500-$1,500. Quote: https://acslabtest.com/get-quote

Q: Why get independent third-party testing?
A: 73% of peptides show purity discrepancies vs. supplier claims, with an average gap of 8.4 percentage points. Independent testing removes supplier conflict of interest.

Q: What purity should research peptides have?
A: Most research: 95%+. In vivo studies: 98%+. Pharmaceutical: 99%+ with full impurity profiling.

## Resources

- [Blog](https://acslabtest.com/blog): Educational articles on peptide testing, quality control, and industry best practices.
- [Peptide Purity Discrepancies: Lab Data](https://acslabtest.com/blog/common-peptide-purity-discrepancies-lab-data): 73% of peptides show purity discrepancies vs. supplier claims (1,200+ samples tested).
- [Peptide Purity Statistics](https://acslabtest.com/blog/peptide-purity-statistics-what-testing-reveals): 68% of online peptides test below claimed purity levels.
- [Are Peptide COAs Accurate?](https://acslabtest.com/blog/are-peptide-coa-accurate-third-party-study): Only 32% of supplier COAs exactly match independent test results.
- [Peptide Testing 2026 Guide](https://acslabtest.com/blog/peptide-testing-2026-complete-buyers-guide): Complete buyer's guide with costs ($150-$1,500) and methods.
- [Bulk Peptide Testing for Suppliers](https://acslabtest.com/blog/bulk-peptide-testing-for-suppliers): Volume pricing and workflows for suppliers testing 5-50+ peptides.
- [Endotoxin and Heavy Metal Testing](https://acslabtest.com/blog/endotoxin-heavy-metal-testing-peptides): Complete safety guide -- 17% of peptides contain detectable heavy metals.
- [SS-31 and MOTS-c Testing Guide](https://acslabtest.com/blog/ss-31-mots-c-mitochondrial-peptide-testing): Specialized testing for mitochondrial peptides with 68% discrepancy rate.
- [FAQ](https://acslabtest.com/faq): Common questions about peptide testing services.
- [Get a Quote](https://acslabtest.com/get-quote): Request pricing for your specific testing needs.
- [Service Areas](https://acslabtest.com/locations): City-specific landing pages for 50+ US metropolitan areas and 31 state-level pages.
- [State Pages](https://acslabtest.com/locations/state/california): State-level landing pages for California, Texas, Florida, New York, Pennsylvania, Ohio, Illinois, Massachusetts, North Carolina, Georgia, Michigan, Indiana, Maryland, Arizona, Colorado, Washington, Tennessee, Missouri, Wisconsin, Utah, Virginia, Minnesota, Connecticut, Oregon, New Jersey, Louisiana, South Carolina, Alabama, Kentucky, New Mexico, Oklahoma, and Hawaii.

## Contact

- Website: https://acslabtest.com
- Phone: (561) 513-8435
- Email: cpierre@acslab.com
- Address: 721 Cortaro Drive, Sun City Center, FL 33573

## Full Details

For complete service specifications, equipment lists, and all blog articles, see: https://acslabtest.com/llms-full.txt