Peptide Research Articles
17 evidence-based articles with cited sources. Updated regularly.
Research Deep Dives
TB-500 (Thymosin Beta-4): What the Research Actually Shows
TB-500 is one of the most widely discussed peptides for recovery — and unlike many research chemicals, it has human trial data to draw from. Here's an objective look at what the science says.
Epithalon and Telomeres: What the Research Actually Shows
Epithalon is a tetrapeptide with 25+ years of published research behind it — almost entirely from one Russian lab. Here's an honest look at what the science shows about telomere length and longevity.
GHK-Cu (Copper Peptide): The Best-Evidenced Cosmetic Peptide Explained
GHK-Cu has a stronger evidence base than almost any other cosmetic peptide — and it's also being studied for systemic effects well beyond skin. Here's what the peer-reviewed literature actually shows.
PT-141 (Bremelanotide) — The FDA-Approved Peptide for Sexual Health
PT-141 holds a distinction almost no research peptide can claim: FDA approval. That puts it in a fundamentally different legal and clinical category. Here's what the evidence actually shows.
BPC-157: Everything the Research Says About This Peptide
BPC-157 is one of the most-discussed peptides in research communities. Here's an objective look at what the science actually says — animal models, mechanisms, and the evidence gap.
What Is Semaglutide and How Does It Work?
Semaglutide is the most clinically validated peptide for weight loss, with human trial data involving tens of thousands of participants. Here's everything the research says.
Comparisons
Sermorelin vs. HGH — What's the Actual Difference?
Sermorelin is often framed as a safer, more physiological alternative to synthetic HGH. That framing is largely accurate — but the full comparison has important nuance that most sources skip.
BPC-157 vs TB-500: Which Does What?
BPC-157 and TB-500 are often stacked together — but they work differently. Here's a clear breakdown of each, where the research points, and why people combine them.
NAD+ vs NMN: What's the Difference?
NAD+, NMN, NR — the longevity supplement world is full of acronyms. Here's a clear breakdown of what each is, how they relate, and what the research says about each.
CJC-1295 and Ipamorelin: Why People Stack Them
The CJC-1295 + Ipamorelin stack is one of the most popular GH-optimizing combinations in research communities. Here's the science behind why they're used together.
Goal Guides
Peptides for Fat Loss in 2026 — From Proven to Experimental
The fat loss peptide landscape spans FDA-approved medications with landmark trial data and research chemicals with minimal human evidence. Here's where each compound actually lands.
The Best-Researched Peptides for Muscle Recovery in 2026
Not all recovery peptides are created equal. This guide ranks peptides by quality of evidence for muscle recovery, from well-studied to experimental.
Peptides for Skin: What the Science Actually Says
Skincare brands make big claims about peptides. Here's what the peer-reviewed literature actually supports — and what's marketing hype.
Education
7 Red Flags That Signal a Sketchy Peptide Supplier
In a market with no FDA oversight and real quality variation, knowing how to evaluate a peptide supplier is as important as knowing what to buy. Here's what to check before you spend a dollar.
How to Read a Peptide Certificate of Analysis (COA)
A COA is your primary tool for evaluating peptide purity. Here's exactly what to look for — and what red flags mean.
Legal & Regulatory
Are Peptides Legal in the US? The 2026 Breakdown
The legality of peptides in the US is complex — it depends on the peptide, the claim being made, and how it's being sold. Here's a plain-English breakdown of where things stand.
What the FTC Says About Peptide Marketing (And Why It Matters)
Peptide supplement and research chemical sellers operate under strict FTC and FDA rules. Understanding these rules helps you spot compliant sellers — and avoid the ones that aren't.