Source comparison
TB-500 Real vs Fake: Supplier Comparison
Verified Research Supplier (Real Peptides) Third-party HPLC + MS + LAL for every batch Full COA with chromatograms, publicly linked Standard with all orders Batch number on vial matches COA exactly Gold standard. Every verifiable element present. Suitable for
This comparison does not assign a generated winner or score.
- Verified Research Supplier (Real Peptides)
- Third-party HPLC + MS + LAL for every batch
- Full COA with chromatograms, publicly linked
- Standard with all orders
- Batch number on vial matches COA exactly
- Gold standard. Every verifiable element present. Suitable for publication-quality research.
- Mid-Tier Supplier
- HPLC provided on request; MS and endotoxin testing inconsistent
- COA available but may lack chromatogram images
- Available as paid upgrade
- Batch numbers present but COA may be generic
- Acceptable for preliminary screening studies. Request batch-specific documentation before use.
- Budget/Generic Supplier
- Purity claimed but no test data provided
- No COA or generic document covering multiple batches
- Not offered or unreliable
- No batch numbers or non-matching labels
- High risk of incorrect sequencing or contamination. Avoid for any serious research application.
- Direct Import (Non-Regulated)
- No verification; relies on manufacturer claims
- Fabricated or incomplete documents common
- Rarely maintained during international shipping
- Batch traceability non-existent
- Unsuitable for research. High probability of receiving incorrect peptide or contaminated product.