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FDA & RUO

FDA votes, compounding status, warning letters, supply and the paperwork behind research-use-only.

Twelve peptides came off the FDA's do-not-compound list. None of them are legal to compound.

Twelve peptides came off the FDA's do-not-compound list. None of them are legal to compound.

What changed on April 15, where each of the twelve actually sits right now, and the paperwork nobody selling you these is mentioning.

Oct 12, 2026

Pete Davidson used BPC-157 and sermorelin. A lab tested 6,441 vials like his.

Pete Davidson used BPC-157 and sermorelin. A lab tested 6,441 vials like his.

A lab tested 6,441 peptide vials. Here's how to read a COA so you know which side of the results you landed on.

Oct 7, 2026

A doctor told 8 million people peptides are hype. He's half right.

A doctor told 8 million people peptides are hype. He's half right.

UCLA counted 565 studies. Hundreds of thousands of users counted something else. Here's how to read both without getting played.

Sep 28, 2026

FDA just told five peptide vendors what "research use only" is actually worth

FDA just told five peptide vendors what "research use only" is actually worth

The letters list bacteriostatic water as evidence. Here is what that means for the stores you buy from.

Sep 22, 2026

Peptide supply is about to get tight, and China's October holiday is the least of it

Peptide supply is about to get tight, and China's October holiday is the least of it

What suppliers in China and Hong Kong are telling us, why US compounding pharmacies are low too, and how the vendors inside the network are getting ahead of it.

Sep 18, 2026

This FDA vote is not what beginners think

This FDA vote is not what beginners think

The 503A vote is about compounding eligibility, not approved treatments.

Jul 24, 2026

The FDA reclassification, minus the hype

The FDA reclassification, minus the hype

What actually changed in the peptide industry in 2026 — and what didn't.

Jun 12, 2026

How to read a peptide COA (most people skip this and get burned)

How to read a peptide COA (most people skip this and get burned)

The 3 things to check before you trust any vendor.

Apr 8, 2026

We’re back. And the FDA just approved something big.

We’re back. And the FDA just approved something big.

A GLP-1 pill with no food or water restrictions. Here’s what it means.

Apr 6, 2026

The FDA hasn’t actually done what you think it did.

The FDA hasn’t actually done what you think it did.

14 peptides are still Category 2. Here’s the real status.

Mar 17, 2026

Institutions move slowly for a reason

Institutions move slowly for a reason

Speed and certainty rarely coexist in biology.

Feb 26, 2026

The peptide bubble isn’t what you think

The peptide bubble isn’t what you think

Hype cycles don’t kill molecules. Ignorance does.

Feb 19, 2026

The research compound grey market reality

The research compound grey market reality

Risk doesn’t disappear just because people ignore it.

Feb 17, 2026

Peptides just crossed into the mainstream

Peptides just crossed into the mainstream

That changes the responsibility.

Feb 16, 2026

What Survives Regulatory Pressure

What Survives Regulatory Pressure

When enforcement rises, weak suppliers disappear.

Feb 13, 2026

Why Compounding Pharmacies Are Disappearing

Why Compounding Pharmacies Are Disappearing

The biggest shift in peptide access isn’t hype. It’s enforcement.

Feb 12, 2026

The Peptide Industry Just Changed

The Peptide Industry Just Changed

2026 is not business as usual. Here’s what’s happening.

Feb 11, 2026

“Research use only” doesn’t mean what you think

“Research use only” doesn’t mean what you think

The FDA just made that painfully clear.

Feb 5, 2026

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