Testing laboratory

Janoshik Analytical

Janoshik is the most frequently recommended independent testing lab on Reddit's r/Peptides. Specializes in peptide and small molecule analysis.

Unclaimed profileReviewed Jul 10, 2026

Testing laboratory profile

Specialized in peptide and small molecule testing. HPLC, MS, amino acid analysis. Community favorite.

Service tier
Independent
Capabilities
Offers HPLC purity testing, mass spectrometry for identity confirmation, and amino acid analysis. Provides full COAs with methods and results. Pricing is publicly available.
Community notes
Reddit users on r/Peptides consistently recommend Janoshik for independent verification. Users report fast turnaround times and clear, detailed results. Considered the go-to lab for peptide testing in the community.

Strengths

  • Peptide-specific testing expertise
  • HPLC + MS + amino acid analysis
  • Publicly available pricing
  • Fast turnaround
  • Most recommended lab on Reddit

Limitations

  • Limited online presence
  • Not a full-service analytical lab like Eurofins

Editorial record

The community's top pick for a reason. If you're sending peptides out for independent testing, start here. They know peptides specifically, not just general analytical chemistry.

Profile ownership: unclaimed. Company representatives will be able to propose identity and catalog updates without changing editorial or regulatory records.