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Blog · 13 Articles

EDITORIALCOVERAGE.

Plain-English peptide writing — fundamentals, safety, head-to-heads, and compound breakdowns with the research behind them.

LATESTJune 18, 2026·7 min read
TRENDSGLP-1

The fastest-growing peptides of 2026

GLP-1s now account for nearly 30% of the research peptide market. Here's what's actually surging, what the trial data says, and whether the demand is ahead of the evidence.

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May 30, 2026·9 min read
BEGINNERMISTAKES

The 7 mistakes new users make in their first cycle

Most new users don't blow up dramatically. They just spend 8 weeks running a protocol poorly and conclude it didn't work. Here are the seven most common reasons that happens — and how to avoid each one.

May 12, 2026·7 min read
HEALINGBPC-157

Does BPC-157 actually heal tendons? What the data says

The most popular peptide on the consumer market. Tendon, ligament, and gut healing. The evidence is more mixed than the marketing — and way more interesting.

April 22, 2026·8 min read
FAT LOSSCOMPARISON

Tirzepatide vs Semaglutide: which actually works better in 2026?

Both are GLP-1 drugs that dominate weight loss. The trial data is clear enough to call — but there's also one win for each side, and the equation is more nuanced than the headlines suggest.

April 8, 2026·6 min read
LONGEVITYANTI-AGING

Epithalon: the most studied longevity peptide you've never heard of

Decades of Russian clinical research, telomerase activation, and almost zero mainstream coverage. Here's what the data actually shows and why it's gaining traction in the West.

March 22, 2026·7 min read
SAFETYFUNDAMENTALS

Are peptides safe? An honest answer.

Short answer: it depends entirely on the peptide, the dose, the source, and the user. The longer answer is the most practical thing we can offer. Here's the real risk landscape.

March 5, 2026·5 min read
FUNDAMENTALSBEGINNER

What are peptides? A plain English explainer

Peptides are short chains of amino acids that act as biological signals. Here's what that actually means for why compounds like BPC-157 are running, and why the category is bigger than the headlines suggest.

February 18, 2026·10 min read
EDITORIAL

The peptide sourcing problem: why quality varies so wildly

The same compound from two different vendors can be a different product entirely. Here's how the research peptide supply chain actually works, and what COA testing can and can't tell you.

February 2026·6 min read
EDITORIAL

FDA Feb 2026: BPC-157, TB-500, CJC-1295 & Ipamorelin moved to Category 1

The FDA's PCAC finalized its determination on four of the most widely-used research peptides — ending their legal availability through U.S. compounding pharmacies.

2025·5 min read
EDITORIAL

Europe tightens peptide compounding rules — France, Germany & UK move first

Across Europe, national medicines agencies have narrowed legal access to compounded peptide preparations. France, Germany, and the UK led with guidance restricting BPC-157, TB-500, and GH secretagogues from standard compounding pathways.

2024–2025·6 min read
BPC-157FUNDAMENTALS

BPC-157 moves toward formal human trials for IBD — 30 years of animal data, now what?

BPC-157 has accumulated over 30 years of animal research yet formal human trials have been absent. New trial registrations in Europe and early IND movement signal the compound is approaching the clinical evidence threshold.

November 2023·7 min read
GLP-1

Semaglutide cuts cardiovascular events by 20% in non-diabetic patients — SELECT trial

The landmark SELECT trial published in the NEJM demonstrated for the first time that a weight-loss peptide drug reduces major cardiovascular events independent of diabetes treatment.

November 2023·5 min read
GLP-1FAT LOSS

Tirzepatide (Zepbound) FDA approved for obesity — 22.5% body weight loss in trials

The FDA approved tirzepatide (Zepbound) on November 8, 2023 — the first dual GIP/GLP-1 receptor agonist for obesity. SURMOUNT-1 showed 22.5% mean weight loss at 15mg, the largest ever in a phase 3 trial.

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Research Use OnlyNot Medical AdviceNot FDA Evaluated18+ OnlyWADA Status Tracked

PepVault provides educational and research reference information only. Nothing on this site constitutes medical advice, diagnosis, or treatment. Content has not been evaluated by the U.S. Food and Drug Administration. No compound listed on this site is intended to diagnose, treat, cure, or prevent any disease or medical condition. The legality of peptide compounds varies by jurisdiction — you are solely responsible for compliance with the laws of your country or region. Certain compounds listed are prohibited under the World Anti-Doping Agency (WADA) Prohibited List; athletes subject to anti-doping regulations should independently verify status before use. This site is intended for adults 18 years of age or older. Always consult a licensed healthcare provider before using any compound.

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