What does peptide research actually say?

Profiles, comparisons, and legal breakdowns for 15 peptides — sourced from PubMed and peer-reviewed journals. Not medical advice.

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.

10 min read

Research Deep Dives

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.

9 min read

Research Deep Dives

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.

9 min read

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.

7 min read

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.

10 min read

Research Deep Dives

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.

8 min read

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.

9 min read

Research Deep Dives

What Does the Research Actually Say About BPC-157?

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.

12 min read

Research Deep Dives

How Does Semaglutide Actually Work for Weight Loss?

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.

10 min read

Comparisons

BPC-157 vs TB-500: Which Works Better for Healing?

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.

9 min read

Legal & Regulatory

Are Peptides Legal in the US in 2026?

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.

8 min read

Comparisons

NAD+ vs NMN: What's the Actual 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.

8 min read

Goal Guides

Which Peptides Are Best-Researched for Muscle Recovery?

Not all recovery peptides are created equal. This guide ranks peptides by quality of evidence for muscle recovery, from well-studied to experimental.

11 min read

Goal Guides

Do Skincare Peptides Actually Work?

Skincare brands make big claims about peptides. Here's what the peer-reviewed literature actually supports — and what's marketing hype.

9 min read

Comparisons

Why Do People Stack CJC-1295 With Ipamorelin?

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.

8 min read

Education

How Do You Verify a Peptide's Purity?

A COA is your primary tool for evaluating peptide purity. Here's exactly what to look for — and what red flags mean.

7 min read

Legal & Regulatory

What Are the Legal Rules Around Peptide Marketing?

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.

7 min read

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