PepTrak — Library

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New to peptides? Start here.

What they are, how they work, and where to begin

Signature Blends

All Compounds

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Understanding COAs

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What is a 6-Panel COA?

Look for vendors running all 6 tests on every batch

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HPLC Purity

High-Performance Liquid Chromatography. The gold standard for measuring peptide purity. Trident requires 99%+. Most suppliers only report this one.

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UV-Vis Spectroscopy

Confirms the compound absorbs light at the correct wavelength — verifying you have the right molecule, not just something pure.

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Beer-Lambert Assay

Calculates the actual concentration in the vial. Confirms the stated dose is what's actually in there.

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ICP-MS Heavy Metals

Tests for lead, mercury, arsenic, cadmium. Critical for compounds sourced overseas. Most suppliers skip this entirely.

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TAMC (Microbial)

Total Aerobic Microbial Count. Confirms the product is sterile and safe to inject. Non-negotiable for SubQ use.

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TYMC (Yeast & Mold)

Tests for yeast and fungal contamination specifically. Paired with TAMC for full microbial safety clearance.

Common Questions