Research-use peptides, clarified

Buying Guide

Pure Health Peptides Review: Exact Purity Figures and Lab-Linked Reports at Curo

Pure Health Peptides is live with a batch COA library, but its Semax report shows purity as ">99%". Curo gives the measured figure, a one-click link to the lab's copy and Shipping Protection on every order.

October 2, 2026

Buying Guide

Is Core Peptides Legit? The Real Site, the Copycats and the Curo Alternative

The original Core Peptides store is corepeptides.com, and at least four newer sites use the name. Its NAD+ report shows purity only. Curo's lot reports add identity, endotoxin where tested and a lab link.

October 2, 2026

Buying Guide

Verified Peptides Review (2026): What Curo's Full Lot Reports Add

Verified Peptides is live and posts Janoshik reports, but its newest NAD+ batch report has no purity figure. Curo's NAD+ lot report shows purity, identity, fill and endotoxin, with a link to the lab.

October 2, 2026

Buying Guide

Biotech Peptides Review 2026: Named-Lab COAs and Lower NAD+ Prices at Curo

Biotech Peptides is live, but its Semax COA names no lab and its NAD+ report has no endotoxin result. Every Curo report names its lab, links to the lab's copy, and Curo's NAD+ 500mg costs less.

October 2, 2026

Buying Guide

American Peptides Review: Lab-Linked Lots and Free Shipping From $200 at Curo

American Peptides is live and posts lot COAs. Curo matches the lab-linked reports and adds free shipping from $200, free Shipping Protection, a 7-day damage window and a lower NAD+ 1000mg price.

October 2, 2026

Industry Record

Peptide Clinical Trials in 2026: 890 Registered Studies Across 20 Compounds

September 21, 2026

Industry Record

Peptide Industry Statistics 2026: Regulation, Research, Market, Testing, and Use

Sixty-plus verified figures on the peptide field in 2026: FDA actions, registered trials per compound, GLP-1 revenue from company filings, gray-market crypto flows, purchase-and-test results, and national use surveys. Every number links to the organization that published it.

September 13, 2026

Quality & Documentation

Is Curo Legit? What the Testing Records Show

Curo's operating company, its lot-by-lot COA record, and what independent trackers Peptigrity and Peptide Source Tracker show, sourced from the live pages behind each claim.

September 8, 2026

Compound Comparison

Semax vs Selank: Two Russian Peptides, Two Different Research Paths

One traces back to a pituitary hormone fragment, the other to an immune-signaling peptide. Here is how their identity, research record, and FDA compounding status actually compare.

September 8, 2026

Industry Record

FDA Peptide Warning Letters 2024 to 2026: All 18 Online Sellers Named, With Dates and Links

A running table of the 18 FDA warning letters sent to online research-peptide storefronts between February 2024 and August 2026.

September 1, 2026

Buying Guide

What Reddit Says About Peptide Vendors in 2026: The Threads, Summarized

A dated, sourced summary of what 11 Reddit threads and 361 comments actually say about research peptide vendors as of September 1, 2026.

September 1, 2026

Buying Guide

How to Compare Research Peptide Companies: A Six-Part Framework

The method behind any honest supplier ranking. Six checks that separate a documented research peptide company from a page that just knows which words rank.

August 30, 2026

Buying Guide

What to Verify Before You Buy Research Peptides Online

Five checks to run before checkout on any research peptide supplier, in order, plus the red flags that mean slow down. The pre-order companion to our 2026 vendor guide.

August 30, 2026

Buying Guide

Best Peptide Companies (2026)

A documentation-first guide to evaluating research peptide suppliers after the 2025-2026 market shakeout. Compare testing records, operations, and current vendor status.

August 26, 2026

Industry Record

Peptide Sciences Closed Without Explaining Why

Peptide Sciences voluntarily closed on March 6, 2026, without giving a reason or publishing a refund process. This record separates the documented notice from industry analysis and outlines what researchers can verify in a replacement supplier.

August 26, 2026

Industry Record

Amino Asylum: Reported Events, Documented Records, Open Questions

Industry reports describe a June 2025 warehouse action and abrupt shutdown, while identified public records do not name Amino Asylum. This review separates those reports from documented facts and open questions.

August 26, 2026

Industry Record

Paradigm Peptides, From FDA Warning Letter to Federal Sentencing

From a 2022 FDA warning letter to 2026 sentencing, the Paradigm Peptides record maps false testing, origin, and use claims to checks any researcher can run.

August 26, 2026

Compound Profile

NAD+ Trials, Legal Status, and Where to Buy It for Research (2026)

One study found the signal in plasma. The larger one found it inside cells and nowhere in plasma. And two trials with NAD in the title administer nicotinamide riboside instead.

August 25, 2026

Compound Profile

Epithalon (Epitalon): Research Record, Legality, and Where to Buy It in 2026

The telomere findings come from cultured human cells, including a 2025 study that found a second lengthening route in cancer lines. In July 2026 FDA's compounding committee recommended it anyway, 7 to 4.

August 25, 2026

Compound Profile

Pinealon Peptide: The EDR Research Record and Where to Buy It (2026)

Three cell systems, a prenatal rat model at 10 micrograms per kilogram, and 5xFAD mice at 400 micrograms per kilogram for two months. A short record, and worth reading at its actual scale.

August 25, 2026

Compound Profile

KPV Peptide: The PepT1 Research Record and Where to Buy It (2026)

The tripeptide comes off the end of alpha-MSH, so the receptor is the obvious suspect. Knock out the PepT1 transporter instead and the effect disappears with it. FDA's committee recommended it 8 to 6 in July 2026.

August 25, 2026

Compound Profile

MOTS-c Peptide: Research Record, Legal Status, and Where to Buy (2026)

Eight registry records measure MOTS-c as a biomarker. The ninth claims to give it to people, and its sponsor's records fail basic integrity checks. FDA's compounding committee recommended the peptide 7 to 5 anyway.

August 25, 2026

Compound Profile

TB-500 Peptide: What It Is, What the Research Shows, and Where to Buy It (2026)

TB-500 is the acetylated 17-23 fragment of thymosin beta-4, and the registered trials track the 43-residue parent. What that identity split means for the literature and the paperwork.

August 24, 2026

Compound Profile

Thymosin Alpha-1: The Orphan Drug Register, Legality, and Where to Buy It (2026)

Four US orphan drug designations, no FDA approval, and a direct 2024 agency review frame this immune signalling peptide's complex US regulatory record.

August 24, 2026

Compound Profile

AOD-9604 Peptide: The Research Record, Legal Status, and What to Check Before Buying (2026)

From an obesity programme that stopped after Phase 2b to pain studies under a new federal registry name, this fragment has an unusually complete research arc.

August 24, 2026

Compound Profile

Selank: What It Is, Is It Legal, and Where to Buy It (2026)

An immune-derived peptide lineage connects an IgG heavy-chain fragment to a synthetic heptapeptide examined in anxiety, cytokine, and brain-imaging research.

August 24, 2026

Compound Profile

PT-141 (Bremelanotide): Is It Legal, and Where Do You Buy It in 2026?

A clinical reference to bremelanotide's PT-141 identity, Melanotan II lineage, Vyleesi approval record, narrow FDA label, and active research in 2026.

August 24, 2026

Compound Profile

Ipamorelin: Completed Trials, Legal Status, and Where to Buy It (2026)

Two completed Phase 2 trials produced a rare, clear record: a well-tolerated candidate that did not outperform placebo on its primary endpoint, followed by a halted program.

August 24, 2026

Compound Profile

Semax: Research Record, Legal Status, and Where to Buy It (2026)

A Russian-developed ACTH fragment sits at an unusual intersection of clinical literature, an empty US trial registry, and FDA's July 2026 compounding review.

August 24, 2026

Quality & documentation

How to Read a Peptide COA: A Line-by-Line Guide With Annotated Examples

A field-by-field method for reading a peptide certificate of analysis, with three annotated examples: a complete certificate, a purity-only certificate, and one with no lot or lab.

July 6, 2026