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Stacks

Peptide stacks, decoded

You've seen the names thrown around — the Wolverine stack, the GH stack. Here's what's actually in each one, why it gets hyped, and the honest evidence grade for every peptide inside. No selling, no protocols, no dosing.

Longevity

3 peptides

Anti-Aging Stack (Epitalon + GHK-Cu + SS-31)

A biohacker "longevity" combo of three peptides — epitalon, GHK-Cu and SS-31 — each pitched at a different "hallmark of ageing". The honest picture is mixed: epitalon is Grade D, GHK-Cu Grade C, and SS-31 (elamipretide) Grade B but with major human trial failures, so nobody has shown the stack makes a person age slower.

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Weight & Metabolic

7 peptides

Body Recomposition Stack (Tesamorelin + CJC/Ipamorelin + MOTS-c + BPC-157)

A clinic-and-biohacker bundle pitched to strip fat while holding onto (or building) muscle, usually growth-hormone peptides plus a metabolic peptide and a "repair" one. The mix is graded across the board: one genuinely strong member (tesamorelin), several with thin human data, and a couple resting almost entirely on animal studies.

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Growth Hormone

2 peptides

CJC-1295 + Ipamorelin

The most-marketed growth-hormone peptide combo: CJC-1295 (a GHRH analogue) plus ipamorelin (a selective GHRP), run together to nudge the pituitary into releasing more growth hormone. Both are Grade C — there's some early human data on each one separately, but no proper trial of the pair, despite the clinics selling it as an anti-ageing and fat-loss certainty.

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Cognition & Mood

3 peptides

Cognitive / Nootropic Stack (Semax + Selank + Dihexa)

A "brain peptide" combo marketed for focus, calm and memory: Semax for drive, Selank for anxiety, and Dihexa for synapse-building. Semax and Selank are Grade C (Russian-registered drugs with some human data); Dihexa is Grade D, with no human trials at all.

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Skin & Aesthetics

3 peptides

Cosmetic Skin Stack (GHK-Cu + Matrixyl + SNAP-8)

A topical "anti-ageing" serum combo of three skincare peptides — GHK-Cu, Matrixyl and SNAP-8 — sold for smoother, firmer, less-wrinkled skin. Unusually for peptide stacks, all three are Grade C and applied to the skin rather than injected, but most of the flattering numbers come from manufacturer-funded studies.

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Weight & Metabolic

4 peptides

Retatrutide + Cagrilintide (GLP-1 Fat-Loss Stack)

A nickname for pairing a next-gen weight-loss injectable (retatrutide or semaglutide) with the amylin analogue cagrilintide, marketed as the "Ozempic killer" stack. The semaglutide+cagrilintide version (CagriSema) has real Phase 3 human data; the retatrutide+cagrilintide combo people actually buy on the grey market has never been tested together in humans.

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Longevity

5 peptides

The Goddess Stack

A clinic-marketed "anti-ageing for women" bundle, usually MOTS-c, epitalon, semax, kisspeptin-10 and GHK-Cu, sold as a rotating longevity-and-hormone programme. The members run from Grade C to D, so the longevity promise rests on lab and animal work, not human proof.

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Recovery & Repair

4 peptides

The Healing Stack (BPC-157 + TB-500 + KPV + GHK-Cu)

A four-peptide recovery blend sold by wellness clinics as a full-spectrum injury-repair protocol: BPC-157, TB-500, KPV and GHK-Cu. Three of the four are Grade D (animal and lab data only); even the best of the bunch, GHK-Cu, is Grade C, so the "ultimate healing" pitch runs miles ahead of the human evidence.

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Recovery & Repair

2 peptides

The Wolverine Stack

A nickname for running two tissue-repair peptides together, BPC-157 and TB-500, marketed in biohacker and 'recovery' clinics for healing injuries faster. Both are Grade D: the healing story is almost entirely from animals.

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WTPWhat's That Peptide?

The honest, UK guide to research peptides. We index the evidence, explain the mechanisms, and grade every one by a single question: how much do we actually know in humans?

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Not medical advice. An educational reference about research peptides for a UK audience. Most peptides here are not licensed medicines in the UK, and nothing on this site tells you to obtain, possess or use any substance. Talk to a qualified clinician before any health decision. Read the full disclaimer.

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