Peptide library

5-Amino-1MQ is a small molecule, not a peptide, that blocks the enzyme NNMT. It has been tested only in mice and cultured cells; there is no human data.

human

0

animal/preclinical

4

reviews

1

sources

6

A modified fragment of human growth hormone tested in six placebo-controlled trials with 893 adults; well tolerated, no IGF-1 rise, and no confirmed weight loss in its largest trial. Not FDA-approved; WADA-prohibited.

human

1

animal/preclinical

2

reviews

1

sources

6

BPC-157 is a synthetic 15 amino acid peptide derived from a gastric juice protein. Three uncontrolled human studies in 30 people report self-rated benefit for knee pain and interstitial cystitis; its tendon and stomach healing results come from rats.

human

3

animal/preclinical

3

reviews

1

sources

8

CJC-1295 with DAC is an albumin-binding, long-acting GHRH analogue that raised GH and IGF-I for days in small 2006 trials in healthy adults. No outcome data; not approved.

human

2

animal/preclinical

2

reviews

0

sources

5

CJC-1295 no DAC (modified GRF 1-29) is the tetrasubstituted GHRH(1-29) fragment without the albumin-binding group. The cited human trials used the DAC form; none tested this one.

human

2

animal/preclinical

1

reviews

0

sources

5

DSIP is a nine-amino-acid peptide named in 1977 for a sleep effect never confirmed. A double-blind trial in insomniacs found no change in deep sleep, and the body's own DSIP-like material is lowest at night.

human

3

animal/preclinical

1

reviews

1

sources

7

Epitalon is a synthetic pineal tetrapeptide (AEDG) with two small human studies, on retinal function and on melatonin markers, and independent evidence only in cell culture.

human

1

animal/preclinical

1

reviews

1

sources

4

GHK-Cu is a copper-binding tripeptide found naturally in human plasma and widely used in cosmetics. No human study of it is cited first hand; the best direct evidence is from fibroblast cultures and rat wound models.

human

0

animal/preclinical

3

reviews

2

sources

6

GLOW is a marketed blend of GHK-Cu, BPC-157 and TB-500. No source studied the blend itself in people, animals or cells; all cited research covers single components.

human

0

animal/preclinical

2

reviews

1

sources

5

Glutathione is the body's main antioxidant tripeptide. Small oral trials show it can raise blood and cell levels, with conflicting marker results and no tested health outcomes; IV use has no controlled trial in the cited sources.

human

4

animal/preclinical

0

reviews

1

sources

6

An engineered IGF-1 analogue designed to evade IGF binding proteins. Never tested in people; the human data nearby concerns natural IGF-I and cancer risk, and the approved unmodified hormone.

human

2

animal/preclinical

1

reviews

1

sources

7

Ipamorelin is a synthetic ghrelin-receptor peptide that releases growth hormone. Its human data are one volunteer pharmacology study and one Phase 2 bowel surgery trial that did not beat placebo.

human

2

animal/preclinical

1

reviews

1

sources

5

Kisspeptin-10 is the short active fragment of the kisspeptin family, acting above the pituitary on the reproductive hormone axis. Small human studies show acute LH and testosterone rises in healthy men.

human

2

animal/preclinical

1

reviews

1

sources

5

KPV is the Lys-Pro-Val tripeptide from the C-terminal end of alpha-MSH. There is no human data; it has been studied in cell lines, mouse colitis models and a rabbit cornea model.

human

0

animal/preclinical

3

reviews

0

sources

4

LL-37 is the only human cathelicidin, an antimicrobial peptide tested topically in three randomised chronic-wound trials. The largest, a phase IIb in venous leg ulcers, found no benefit over placebo.

human

3

animal/preclinical

2

reviews

1

sources

8

An orally active non-peptide ghrelin mimetic that reliably raises growth hormone and IGF-1. In placebo-controlled trials it added fat-free mass in healthy older adults without improving strength or function.

human

4

animal/preclinical

1

reviews

0

sources

7

MOTS-c is a 16 amino acid peptide encoded in mitochondrial DNA. Its metabolic and physical effects come from mice; in people it has been measured but not given in any cited study.

human

0

animal/preclinical

2

reviews

3

sources

6

NAD+ is a cellular coenzyme for energy metabolism and DNA-repair signalling. Trials of NAD+ itself are few, small and in hospital patients; most human data concern precursors such as NR, NMN and niacin.

human

4

animal/preclinical

0

reviews

3

sources

9

PEG-MGF is synthetic mechano growth factor, a 24 amino acid peptide named after an IGF-1 splice variant, with polyethylene glycol attached. No study in its sources gave it to a person.

human

1

animal/preclinical

1

reviews

2

sources

7

Pinealon is a three amino acid peptide (Glu-Asp-Arg) from a St. Petersburg family of bioregulators. Human data are limited to a 32-person study that also gave vesugen and a 72-patient report known only from its developers' review.

human

1

animal/preclinical

3

reviews

1

sources

7

Bremelanotide, sold as Vyleesi, is FDA-approved for acquired, generalized HSDD in premenopausal women. The label excludes men, postmenopausal women and use to enhance sexual performance.

human

3

animal/preclinical

0

reviews

1

sources

6

Retatrutide is an investigational triple GIP, GLP-1 and glucagon agonist with completed Phase 3 obesity data, the strongest human evidence in this library. Not approved; filing expected 2027.

human

3

animal/preclinical

0

reviews

1

sources

5

Selank is a synthetic tuftsin-derived heptapeptide developed in Moscow, studied in rats and in one 70-patient Russian trial where it was added to phenazepam.

human

1

animal/preclinical

3

reviews

0

sources

5

Semax is a synthetic ACTH(4-7) plus Pro-Gly-Pro heptapeptide studied in Russia, with one randomised, open-label trial in 110 stroke survivors and rat stroke-model work.

human

1

animal/preclinical

2

reviews

0

sources

4

Sermorelin is GHRH(1-29), approved as Geref until 2009 for growth failure in growth-hormone-deficient children and for pituitary testing, with randomised paediatric trials and no controlled adult outcome data.

human

12

animal/preclinical

0

reviews

2

sources

18

SLU-PP-332 is a small-molecule agonist of the estrogen-related receptors, not a peptide, studied as an exercise mimetic in mice and cell culture. No human data.

human

0

animal/preclinical

4

reviews

0

sources

5

SS-31 is elamipretide, a cardiolipin-binding mitochondrial peptide approved by the FDA in September 2025 as Forzinity for Barth syndrome only. Marketed online for energy and aging uses it has not been approved for.

human

3

animal/preclinical

0

reviews

1

sources

5

TB-500 is a synthetic seven-residue fragment of thymosin beta-4 (Ac-LKKTETQ) with no human data cited. The repair findings attached to its name come from the full-length protein in rats and cell culture.

human

0

animal/preclinical

2

reviews

1

sources

5

Tesamorelin is a GHRH analog approved by the FDA in 2010 as EGRIFTA to reduce excess abdominal fat in HIV-infected adults with lipodystrophy. It is not a weight-loss drug.

human

1

animal/preclinical

0

reviews

3

sources

6

A 28 amino acid thymic peptide that did not reduce 28-day mortality in a 1,106-patient double-blind sepsis trial. Approved abroad as thymalfasin (Zadaxin); not approved in the United States.

human

2

animal/preclinical

0

reviews

3

sources

7

Thymulin is a zinc-dependent thymic hormone. Its human data measured the body's own thymulin rising when zinc was restored; no cited study has given thymulin to a person.

human

2

animal/preclinical

1

reviews

3

sources

8