All peptides

A 15-amino-acid fragment derived from a stomach-protecting protein, widely studied in rodents for gut, tendon, and ligament repair.

A synthetic fragment of thymosin beta-4 studied in animals for wound healing, cardiac repair, and tissue regeneration.

A naturally occurring copper-binding tripeptide widely used in cosmetics and studied for skin remodeling and wound healing.

A GLP-1 receptor agonist FDA-approved for type 2 diabetes (Ozempic) and chronic weight management (Wegovy).

A dual GIP/GLP-1 receptor agonist FDA-approved for type 2 diabetes (Mounjaro) and chronic weight management (Zepbound).

An investigational triple GLP-1 / GIP / glucagon receptor agonist showing the largest weight-loss effects yet seen in mid-stage trials.

A 29-amino-acid GHRH analog formerly FDA-approved for childhood growth hormone deficiency.

A long-acting GHRH analog studied as a research peptide for sustained growth hormone elevation.

A selective ghrelin receptor agonist studied as a growth hormone secretagogue with minimal effects on cortisol or prolactin.

A melanocortin receptor agonist FDA-approved as Vyleesi for hypoactive sexual desire disorder in premenopausal women.

A central coenzyme in energy metabolism that has been studied as a supplement and IV therapy for aging, fatigue, and metabolic health.

A mitochondrial-encoded peptide studied for its role in metabolism, exercise capacity, and mitochondrial signaling.

A long-acting GHRH analog FDA-approved as Egrifta for HIV-associated visceral fat accumulation.

A 16-amino-acid C-terminal fragment of human growth hormone studied for fat metabolism, with disappointing weight-loss outcomes in humans.

A four-amino-acid peptide studied primarily in Russian and Eastern European research for longevity, sleep, and antioxidant effects.

A Russian-developed heptapeptide analog of tuftsin studied as a nasal anxiolytic with minimal sedation in small clinical trials.

A Russian-developed ACTH(4-10) analog used intranasally and studied for cognitive performance and stroke recovery.

A cyclic melanocortin receptor agonist that increases skin pigmentation; precursor research peptide that led to bremelanotide.

A 28-amino-acid immunomodulatory peptide approved in many countries (as Zadaxin) for hepatitis B and as an adjunct in cancer and infection.

An upstream regulator of the reproductive axis studied for fertility, hypothalamic amenorrhea, and sexual arousal pathways.

A human cathelicidin antimicrobial peptide central to skin and respiratory innate immunity.

Delta sleep-inducing peptide, a nonapeptide studied for slow-wave sleep and stress modulation since the 1970s.

The C-terminal tripeptide of α-MSH studied for anti-inflammatory effects in gut and skin disease.

A small-molecule angiotensin IV analog with reported pro-cognitive effects in animals via the hepatocyte growth factor / c-Met system.

A small-molecule NNMT inhibitor studied in obese mice for reducing fat mass and raising cellular NAD+ and SAM levels.