UK peptide reference

Peptides A–Z

A plain English reference to 116 compounds across 8 categories. For each one we give the UK legal status and, where there is one, the licensed alternative. We list no sellers and link to none.

Status:LicensedIn trialsCosmeticResearch use

Anti ageing & longevity · 32

SS-31In trials
Mitochondria targeting peptide (elamipretide)

SS-31, also known as elamipretide, is a peptide designed to protect the mitochondria, the parts of cells that make energy. It is in clinical trials for conditions involving failing mitochondria. It has no marketing authorisation yet.

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AHK (Tripeptide-3)Cosmetic
Cosmetic skincare peptide · Ahk

AHK (Tripeptide-3) is a small peptide used in topical skincare and hair products, marketed to support hair and skin. Used with no medicinal claims, it is regulated as a cosmetic ingredient. The evidence is modest.

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AHK-CuCosmetic
Cosmetic skincare peptide (copper)

AHK-Cu is a copper bound peptide used in topical skincare and hair products, marketed to support hair and the skin. Used with no medicinal claims, it is regulated as a cosmetic ingredient. The evidence is modest.

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Copper PeptidesCosmetic
Cosmetic skincare peptide (copper)

Copper peptides are small peptides bound to copper, used in topical skincare and marketed to firm skin and support repair. Used on the skin with no medicinal claims, they are regulated as cosmetic ingredients. The evidence is modest.

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GHK-CuCosmetic
Copper binding tripeptide

A copper binding tripeptide used in topical skincare. Applied to the skin with no medicinal claims it is regulated as a cosmetic. Injectable GHK-Cu, or any version sold with medicinal claims, is an unlicensed medicine.

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MatrixylCosmetic
Cosmetic skincare peptide

Matrixyl is a well known brand of anti ageing cosmetic peptide, based on short peptides marketed to support collagen and smooth wrinkles. Used with no medicinal claims, it is regulated as a cosmetic ingredient. The evidence is modest.

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Pal-AHKCosmetic
Cosmetic skincare peptide

Pal-AHK is a small peptide with a fatty acid added to help it absorb, used in topical skincare and hair products. Used with no medicinal claims, it is regulated as a cosmetic ingredient. The evidence is modest.

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Pal-GHK (Palmitoyl Tripeptide-1)Cosmetic
Cosmetic skincare peptide

Pal-GHK (Palmitoyl Tripeptide-1) is a peptide used in anti ageing skincare, marketed to support collagen and firm the skin. It is a well known cosmetic ingredient, found in products such as Matrixyl. Used with no medicinal claims, it is regulated as a cosmetic ingredient.

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Palmitoyl Dipeptide-6Cosmetic
Cosmetic skincare peptide

Palmitoyl Dipeptide-6 is a small peptide with a fatty acid added, used in anti ageing skincare and marketed to firm skin and soften lines. Used with no medicinal claims, it is regulated as a cosmetic ingredient. The evidence is modest.

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Rigin (Palmitoyl Tetrapeptide-7)Cosmetic
Cosmetic skincare peptide · Rigin

Rigin (Palmitoyl Tetrapeptide-7) is a peptide used in anti ageing skincare, marketed to soothe skin and reduce the signs of ageing. Used with no medicinal claims, it is regulated as a cosmetic ingredient. The evidence is modest.

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Syn-Coll (Palmitoyl Tripeptide-5)Cosmetic
Cosmetic skincare peptide

Syn-Coll (Palmitoyl Tripeptide-5) is a peptide used in anti ageing skincare, marketed to support collagen and smooth wrinkles. Used with no medicinal claims, it is regulated as a cosmetic ingredient. The evidence is modest.

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Tripeptide-29Cosmetic
Cosmetic skincare peptide

Tripeptide-29 is a small peptide used in skincare, marketed to support collagen and skin firmness. Used with no medicinal claims, it is regulated as a cosmetic ingredient. The evidence is modest.

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ARA-290Research use
EPO derived peptide (cibinetide)

ARA-290, also called cibinetide, is a peptide based on part of the hormone EPO, designed to calm inflammation and protect tissue without raising red blood cells. It has been studied for nerve pain. It is investigational, with no UK marketing authorisation.

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BronchogenResearch use
Peptide bioregulator (lungs and airways)

Bronchogen is a short peptide bioregulator developed in Russia, marketed to support the lungs and airways. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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CardiogenResearch use
Peptide bioregulator (heart)

Cardiogen is a short peptide bioregulator developed in Russia, marketed to support the heart and blood vessels. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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CartalaxResearch use
Peptide bioregulator (cartilage and joints)

Cartalax is a short peptide bioregulator developed in Russia, marketed to support cartilage and joints. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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ChonlutenResearch use
Peptide bioregulator (lungs and airways)

Chonluten is a short peptide bioregulator developed in Russia, marketed to support the lungs and airways. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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CortagenResearch use
Peptide bioregulator (nervous system)

Cortagen is a short peptide bioregulator developed in Russia, marketed to support the brain and nervous system. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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CrystagenResearch use
Peptide bioregulator (immune)

Crystagen is a short peptide bioregulator developed in Russia, marketed to support the immune system. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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EpithalonResearch use
Synthetic peptide (4 amino acids)

Epithalon is a synthetic peptide of four amino acids, developed in Russia from a substance found in the pineal gland. It is studied for ageing, with a well known claim that it can switch on the enzyme that maintains the ends of chromosomes. The evidence is laboratory and animal work, and it is not a licensed medicine in the UK.

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FOX04-DRIResearch use
Senolytic peptide (experimental)

FOXO4-DRI is an experimental peptide studied as a senolytic, meaning something that clears out old, worn out cells. The research is preclinical, in the ageing field. It is not a licensed medicine in the UK.

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GlutathioneResearch use
Antioxidant tripeptide

Glutathione is a small molecule the body makes in every cell, where it works as a major antioxidant. It is sold as a supplement and given as a drip or injection at some clinics, often for general wellness or skin brightening. It is not a licensed medicine in the UK for those uses.

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HumaninResearch use
Mitochondrial derived peptide

Humanin is a small peptide that cells make from mitochondrial DNA, studied for possible protective effects in ageing and conditions such as Alzheimer's disease. The evidence is early. It is not a licensed medicine in the UK.

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LivagenResearch use
Peptide bioregulator (liver)

Livagen is a short peptide bioregulator developed in Russia, marketed to support the liver. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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NAD+Research use
Coenzyme (NAD+)

NAD+ is a coenzyme that every cell uses to turn food into energy and to run its repair and maintenance work. It is not a peptide. It is sold as oral precursors in supplements, and given as a drip or injection at some private clinics. It is not a licensed medicine in the UK.

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OvagenResearch use
Peptide bioregulator (liver and digestion)

Ovagen is a short peptide bioregulator developed in Russia, marketed to support the liver and digestive system. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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PancragenResearch use
Peptide bioregulator (pancreas)

Pancragen is a short peptide bioregulator developed in Russia, marketed to support the pancreas. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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PinealonResearch use
Peptide bioregulator (brain)

Pinealon is a short peptide bioregulator developed in Russia, marketed to support the brain, sleep and mental clarity. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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ProstamaxResearch use
Peptide bioregulator (prostate)

Prostamax is a short peptide bioregulator developed in Russia, marketed to support the prostate. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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TestagenResearch use
Peptide bioregulator (reproductive)

Testagen is a short peptide bioregulator developed in Russia, marketed to support the male reproductive system. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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VesugenResearch use
Peptide bioregulator (blood vessels)

Vesugen is a short peptide bioregulator developed in Russia, marketed to support the blood vessels. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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VilonResearch use
Peptide bioregulator (immune)

Vilon is a short peptide bioregulator developed in Russia, marketed to support the immune system and general health with age. Like the other bioregulators, its evidence comes almost entirely from one research group. It is not a licensed medicine in the UK.

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Factual reference only, not medical advice. “Research use only” labelling does not make an unlicensed product legal to sell as a medicine (MHRA). Report side effects through the MHRA Yellow Card scheme.

Peptides A–Z · On the Register