Laboratory Guides
Step-by-step guides for laboratory researchers: how to read documentation, how analytical methods work and how to evaluate a supplier. Every guide lists its sources and the limits of the evidence.
- Documentation & qualityHow to read a BPC-157 + TB-500 blend COA: two identities, two amounts, and the thymosin beta-4 line, worked through on lot RN-2610-BPCTBReading a BPC-157 + TB-500 blend COA: identity and content for each peptide, the 5 mg + 5 mg label check, and why a report may list thymosin beta-4.November 6, 20269 min read
- Documentation & qualityHow to read a Klow blend COA: four peptides, four identities, four amounts, worked through on lot RN-2610-KLOWHow to read a Klow COA: identity and content for GHK-Cu, BPC-157, TB-500 and KPV, why the total can exceed 80 mg, and what blend purity means.November 6, 20269 min read
- Documentation & qualityResearch peptide news, October 2026: the HHS compounding policy, vendor closures and what changedOctober 2026 research-peptide news, dated and sourced: the Oct 28 HHS compounding policy and Nov 13 comment deadline, FDA status, vendor closures, testing.November 6, 20268 min read
- Documentation & qualityResearch-peptide vendor closures in 2026: a dated list of what each notice said and what customers were toldResearch-peptide vendors that shut down or stopped taking orders in 2026: dates, what each notice said, what customers were told, and what to check next.November 6, 20268 min read
- Documentation & qualityHow to Vet a Research Peptide Supplier in 2027: A Checklist, and What the Closures ChangedA dated, sourced checklist for evaluating research peptide suppliers in 2026: independent testing, lot-level COAs, the closures, and spotting impersonators.November 2, 20266 min read
- Documentation & qualityIndependent peptide testing labs in 2027: how to read a public test listing and match it to your lotWhat independent peptide testing labs measure, how Freedom Diagnostics Testing, Finnrick and Janoshik publish verifiable records, and how to match one to a lot.November 2, 20269 min read
- Documentation & qualityResearch peptides in 2027: what changed in 2025–2026 and what to check before you orderDated 2025–2026 events in the research-peptide market: FDA category changes, the July 2026 vote, warning letters, closures, and what to check in 2027.November 2, 202611 min read
- Peptide fundamentalsCJC-1295 with and without DAC: two different molecules behind one name, and what the published research actually testedCJC-1295 without DAC (mod GRF 1-29) and CJC-1295 with DAC are different molecules. Their structures, identifiers, the studies behind each and status.October 30, 20268 min read
- Peptide fundamentalsGlow Blend vs Klow: what is in each vial, what each component is, and what has (and has not) been studiedGlow Blend is BPC-157, TB-500 and GHK-Cu; Klow adds KPV. Composition, what each peptide is, the evidence for each, and why neither mixture has been studied.October 30, 20268 min read
- Documentation & qualityPeptide Batch Traceability: From Synthesis Lot to Labeled VialHow batch traceability links a peptide synthesis lot to a labeled vial: lot numbers, batch records, matching a COA, and what breaks the chain.October 30, 20268 min read
- RegulatoryPeptide Sciences has shut down: what its notice says, and what to check before you choose another supplierPeptide Sciences ended all research-product sales in March 2026. What its notice says, the impersonation warning, and how to vet any supplier, including us.October 30, 20265 min read
- Documentation & qualityReselling research peptides: what a responsible research-product reseller needs in 2026For research-peptide resellers: the research-use rules that follow the product, what regulators cited in 2026, lot documentation and choosing a supplier.October 30, 20267 min read