RUO · ≥99% HPLC

Essentials Stack (Reta + GHK-Cu)

≥99% HPLC purity · certificate of analysis on request

~~€159.00~~ €139.00

plus shipping · free from €250

Same-day dispatch from the Netherlands when paid before 14:00 CET
≥99% HPLC – lab reports
Payment – SEPA bank transfer or crypto
Discreet, tracked parcel – free shipping from €250

2 vials · research bundle
≥99% HPLC purity · certificate of analysis on request
Same-day dispatch from the Netherlands · free shipping from €250

SKU: BUNDLE-RETATRUTIDE-10-MG-GHK-CU-50-MG-BUNDLE
Category: Metabolic Research, Peptide Bundles

Buy Essentials Stack at Pepcore: Essentials Stack (Reta + GHK-Cu) as research bundle (2 vials), ≥99% HPLC purity, dispatched from the Netherlands the same business day. The Essentials Stack is a bundle of Retatrutide 10 mg combined with GHK-Cu 50 mg, two of our best-known peptides.

Buy Essentials Stack: key facts

Available amounts: 2 vials
Purity: ≥99% by HPLC – certificate of analysis (HPLC and MS) on request
Form: Research bundle
Price: from €139.00
Dispatch: same business day from the Netherlands when paid before 14:00 CET (Mon–Sat)
Shipping: tracked across Europe – free from €250
Payment: SEPA bank transfer or crypto (USDC, USDT, Bitcoin)

What the Essentials Stack includes

1 × Retatrutide 10 mg – Triple receptor agonist (GLP-1, GIP and glucagon).
1 × GHK-Cu 50 mg – Copper complex of the tripeptide GHK.
1 × Bacteriostatic Water 10 ml
Free: 1 × bacteriostatic water 10 ml

This bundle combines a triple receptor agonist with a copper peptide in one order.

Retatrutide works on the GLP-1, GIP and glucagon receptors. GHK-Cu is a copper peptide, a complex of copper and the tripeptide GHK.

As a bundle, they cost less than buying them one by one.

Bundle highlights

Includes 1× Retatrutide 10 mg and 1× GHK-Cu 50 mg.

Each vial contains freeze-dried powder and is packed separately.

Retatrutide independently tested by Janoshik, with 99.753% purity.

Essentials Stack: structure and specifications

Available amounts	2 vials
Form	Research bundle
Purity	≥99% HPLC
Storage	−20 °C, dry and protected from light
Use	Laboratory research only (RUO)

Reconstitution and storage

All peptides in this bundle are supplied as lyophilized powder in sealed glass vials, together with a free 10 ml vial of bacteriostatic water for reconstitution. Our peptide calculator and reconstitution guide explain the method.

Keep unopened vials frozen at −20 °C, dry and away from light; reconstituted solutions belong at 2–8 °C – see the peptide stability guide.

Buy Essentials Stack from Pepcore: shipping and payment

Orders paid before 14:00 CET (Monday–Saturday) leave our Netherlands warehouse the same business day in discreet, tracked packaging. Delivery takes 1–2 business days to the Netherlands and Belgium, 2–7 to Germany, France, Spain, Italy and Luxembourg and 3–8 to the rest of the EU; the UK, Switzerland and Norway take 5–10 days plus customs. Shipping costs from €8.49 and is free from €250 – see our shipping policy.

When you buy Essentials Stack at Pepcore you pay by SEPA bank transfer – we email you our bank details right after your order – or with crypto: USDC or USDT on Polygon, USDC on Base, or Bitcoin. No customer account and no card details are needed.

Frequently asked questions

What is included in the Retatrutide 10 mg + GHK-Cu 50 mg bundle?

The bundle contains Retatrutide 10 mg and GHK-Cu 50 mg. Each vial is supplied separately as a lyophilized powder for laboratory research use only.

What is the Retatrutide 10 mg + GHK-Cu 50 mg bundle used for in research?

The research areas are described on each compound's own product page: Retatrutide and GHK-Cu. You can find more bundles on our Bundles page.

Where can I buy Essentials Stack in Europe?

You can buy Essentials Stack online at Pepcore. We ship from the Netherlands to every European country with tracking, free from €250, and a certificate of analysis is available on request.

Is bacteriostatic water included in the Retatrutide 10 mg + GHK-Cu 50 mg bundle?

Yes. The bundle comes with one 10 ml vial of bacteriostatic water at no extra cost.

How are the vials in the Retatrutide 10 mg + GHK-Cu 50 mg bundle stored, and how long does shipping take?

In lyophilized form, each vial in the bundle is kept cool, dry and away from light. Orders leave the Netherlands the same or next business day: 1 to 2 business days to the Netherlands and Belgium, 2 to 7 to Germany, France, Spain, Italy and Luxembourg, 3 to 8 to the rest of the EU, free from €250, see shipping.

Is Essentials Stack intended for human use?

No. Essentials Stack is sold exclusively for in vitro research and laboratory use. It is not a medicine, food supplement or cosmetic, and it must not be used on humans or animals.

Scientific references

More studies: PubMed: Retatrutide GHK-Cu Bacteriostatic Water

Ready to buy Essentials Stack? Choose your amount above – orders paid before 14:00 CET ship the same day, and shipping is free from €250. For questions about Essentials Stack or a larger research order, write to us at info@pepcore.net.