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ONYX Research Peptides

Purity. Proven.

Lot-tested research peptides in black-glass vials. A certificate for every lot. Cold all the way.

ONYX Tirzepatide 10 mg vial in black glass with a gold crimp cap

The lineup.

Four compounds. One uncompromising standard.

New lot

Tirzepatide

Dual-agonist. Single standard.

From $75.00

Tirzepatide 10 mg · lyophilized ONYX vial

New lot

Retatrutide

Three receptors. One reference.

From $109.00

Retatrutide 20 mg · lyophilized ONYX vial

New lot

Tesamorelin

Engineered analogue. Exacting purity.

From $75.00

Tesamorelin 10 mg · lyophilized ONYX vial

Set of 4

HGH (Somatropin)

Four vials. One set. No compromises.

From $200.00

HGH (Somatropin) Set of 4 × 10 IU vials ONYX vial

01 / 03

Purity you can measure.

Every lot is assayed by HPLC and identity-confirmed by mass spectrometry before it earns the ONYX label. ≥99% or it doesn't ship.

≥99%

HPLC purity

100%

of lots with COA

2–8 °C

cold-chain transit

HGH · 4 × 10 IU

A matched set. Every time.

Four vials from a single lot, sharing one certificate. Sold only as a set of four, so your reference material stays consistent from first vial to last.

Explore the set
Four ONYX HGH 10 IU vials arranged in an arc

Designed to disappear into your lab. Built to stand out in your data.

The ONYX lineup: Tirzepatide, Retatrutide, Tesamorelin and HGH vials

Black borosilicate glass

Blocks light, resists breakage, looks like nothing else on the bench.

Aluminium crimp seal

Colour-coded flip-off caps so every compound is instantly identifiable.

Printed lot & COA

Lot number on every label, linked to its certificate online.

Free cold-chain shipping

On orders over $150. Otherwise $9.95.

COA with every order

Lot-specific certificate, printed and online.

Research use only

Sold to qualified researchers with attestation.

Be first to new lots.

Restock alerts and lot releases. Nothing else.