A stabilized analog of the full 44-amino-acid human growth hormone-releasing hormone (GHRH), FDA-approved to reduce excess visceral abdominal fat in people with HIV-associated lipodystrophy. It is also prescribed off-label for general fat loss and anti-aging purposes, a use with a much thinner evidence base than the approved indication.
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A 29-amino-acid fragment of human growth hormone-releasing hormone (GHRH) that stimulates the pituitary to make and release its own growth hormone, rather than supplying GH directly. It was an FDA-approved drug for two decades under the brand name Geref; that product was discontinued for commercial reasons in 2008, and today's supply is almost entirely compounded.
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A melanocortin-receptor agonist peptide. As the branded drug Vyleesi, a subcutaneous autoinjector, it is FDA-approved for acquired generalized hypoactive sexual desire disorder in premenopausal women. Sold separately online as unbranded "PT-141" — often as a nasal spray or vial, and often marketed to men — in a form and use that is not approved.
Dose étudiée 1.75 mg subcutaneous, as needed
A naturally occurring copper-binding tripeptide present in human plasma that declines with age, sold as a cosmetic ingredient in skincare serums and creams under names like 'copper peptide.'
Dose étudiée Topical, post-procedure skincare regimen
A synthetic fragment of adrenocorticotropic hormone (ACTH) with the corticotropic activity removed, developed in Russia and sold there as a prescription nasal spray for stroke recovery and cognitive complaints, and sold online elsewhere as an unregulated nootropic.
Dose étudiée 6,000–18,000 mcg/day intranasally
A synthetic peptide related to the immune peptide tuftsin, developed in Russia and approved there as a prescription anxiolytic nasal spray, sold elsewhere online as an unregulated anti-anxiety and cognitive research chemical.
Dose étudiée Not precisely reported
A naturally occurring nine-amino-acid peptide first isolated from rabbit brain in the 1970s and studied in small human trials since the 1980s for sleep and hormonal effects, sold online today as an unregulated sleep-support research peptide.
Dose étudiée 25–100 nmol/kg body weight
NOTE D·Insuffisant ou dangereux A synthetic 15-amino-acid peptide derived from a fragment of a human gastric protein, sold online for injury recovery and gut healing.
Dose étudiée None exists
NOTE D·Insuffisant ou dangereux A synthetic analog of growth hormone-releasing hormone (GHRH), engineered to resist the rapid breakdown that limits natural GHRH and sermorelin. It is not an FDA-approved drug and is sold online as a research chemical, not for human use. Two distinct products share this name and must not be confused with each other: a long-acting version bound to a Drug Affinity Complex (DAC), and a short-acting version without it.
Dose étudiée 30–90 mcg/kg subcutaneous
NOTE D·Insuffisant ou dangereux A synthetic five-amino-acid peptide that activates the ghrelin receptor to trigger growth hormone release, often sold combined with CJC-1295 as a 'GH-boosting stack.' It is not an FDA-approved drug and is sold as a research chemical, not for human use.
Dose étudiée IV infusion, ~4–140 nmol/kg
NOTE D·Insuffisant ou dangereux A synthetic four-amino-acid peptide designed to mimic Epithalamin, a peptide complex extracted from the pineal gland, studied by Russian researchers for telomerase activation and lifespan effects and sold online as an anti-aging injectable, with no approval for human use anywhere.
Dose étudiée Not specified in mcg/mg in the published abstracts
NOTE D·Insuffisant ou dangereux A 16-amino-acid peptide encoded within mitochondrial DNA that acts as a hormone-like signal for metabolism and stress response, an active area of current metabolic research sold online as an injectable 'exercise mimetic' peptide with no completed human dosing trial behind it.
Dose étudiée None established
NOTE D·Insuffisant ou dangereux A synthetic version of a naturally occurring 43-amino-acid protein, sold online as an injectable "research chemical" marketed for tendon, ligament and muscle injury recovery, often alongside BPC-157.
Dose étudiée 0.01%–0.03% topical gel
NOTE D·Insuffisant ou dangereux A synthetic analogue of alpha-melanocyte-stimulating hormone, injected to darken skin without sun exposure. Sold online and through gray-market tanning and wellness sources for tanning and, off-label, for libido and erectile function.
Dose étudiée None exists
NOTE D·Insuffisant ou dangereux A modified fragment of the C-terminal end of human growth hormone, engineered to isolate growth hormone's fat-metabolising effect without its growth-promoting or blood-sugar effects. Sold online as an injectable peptide marketed for fat loss.
Dose étudiée Oral, approximately 0.25–1 mg/day