What’s Inside Your Retatrutide Pen?Understanding the Certificate of Analysis (COA)

23 Sept

At RetatrutideUK.uk, we believe in transparency, quality, and trust. That’s why every batch of our Retatrutide pens comes with a Certificate of Analysis (COA) — a scientific report that proves what’s inside your pen is exactly what it should be.

But we get it — COAs can look like a wall of chemistry jargon. So let’s break it down together.

🔍 What Is a COA?

A Certificate of Analysis is a lab report that confirms:

The identity of the product
Its purity
Its potency
That it’s free from harmful contaminants

Think of it like a nutrition label, but for pharmaceutical-grade peptides.

🧪 What This COA Tells You

Here’s what the lab found in your Retatrutide pen, tested by Biogenity ApS, a leading peptide testing lab in Denmark:

✅ Product Identity

Name: Retatrutide
Batch Number: 250601
Manufactured: 6th February 2025
Tested: 7th September 2025
Peptide Sequence: A long chain of amino acids that make up Retatrutide — this confirms the product is genuine.

📊 Key Quality Checks (Explained Simply)

Test What It Means Result Appearance Should be a white powder✅

Passed Solubility Should dissolve easily in water✅

Passed pH Level Should be safe and stable (6.0–9.0)✅

7.6 Purity (HPLC) Should be at least 98% pure✅

99% Water Content Too much water = instability✅

4.6% (well below limit) Acetic Acid A by product — should be low✅

0.1% (limit is 2%) TFA (Trifluoroacetic Acid) Should be nearly zero✅

0% Sodium Should be minimal✅

1.5% (limit is 5%) Peptide Content Should be at least 85% active ingredient✅

92% Bacterial Endotoxins Should be free from toxins✅

Passed Molecular Weight Confirms the structure is correct✅ Passed

🧫 Microbial Safety

We also test for microorganisms to ensure your product is clean and safe:

Bacteria: Less than 20 colony-forming units per gram (very low)
Yeast & Mold: Also less than 20 — well below the limit
E. coli: Not detected — which is exactly what we want

🔐 Why This Matters

This COA proves that your Retatrutide pen is:

Exactly what it claims to be
Free from harmful contaminants
Highly pure and potent
Tested by a trusted third-party lab

🧾 Want to See the Full Report?

You can — it’s the same document we use to verify every batch before it reaches you.

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