Educational reference
Explore peptides & wellness compounds.
What each compound is, what it is studied or used for, commonly reported side effects, and how strong the underlying evidence is. A neutral starting point for a conversation with your provider.
Educational only — not medical advice.
Peptalk does not recommend, prescribe, endorse, or rate any compound. The evidence level shown describes the strength of the research base — not effectiveness, safety, or a recommendation. No dosing information is provided. Do not start, stop, or change any therapy based on this page. Always consult your licensed healthcare provider.
101 of 101 compounds
Anastrozole
Arimidex
Aromatase inhibitor used off-label in men to limit conversion of testosterone to estrogen.
ARA-290 (Cibinetide)
Cibinetide · Erythropoietin-derived peptide
Erythropoietin-derived 11-amino-acid peptide studied in trials for small-fiber neuropathy.
CagriSema
cagrilintide/semaglutide · cagri-sema
An investigational once-weekly fixed-dose combination of an amylin analogue and a GLP-1 receptor agonist.
Clomiphene Citrate
Clomid · Serophene
SERM used off-label to stimulate endogenous testosterone in men.
Dulaglutide
Trulicity
Once-weekly GLP-1 receptor agonist studied for type 2 diabetes.
Enclomiphene Citrate
enclomifene · Androxal
Selective estrogen receptor modulator studied to raise testosterone while preserving fertility.
Estradiol
17 beta-estradiol · E2
Primary estrogen hormone used in menopausal and gender-affirming hormone therapy.
Exenatide
Byetta · Bydureon
GLP-1 receptor agonist studied for type 2 diabetes glycemic control.
Gonadorelin
GnRH · LHRH
Synthetic GnRH studied for stimulating the pituitary-gonadal axis.
HCG (Human Chorionic Gonadotropin)
hCG · Human Chorionic Gonadotropin
Gonadotropin that mimics LH, studied for testicular function and fertility.
HGH 191AA (Somatropin)
HGH 191AA · Human Growth Hormone
Recombinant 191-amino-acid human growth hormone, FDA-approved for several growth-hormone-deficiency and wasting conditions.
Human Chorionic Gonadotropin (hCG)
hCG · chorionic gonadotropin
Gonadotropin hormone that mimics LH to stimulate testicular testosterone production.
Larazotide
Larazotide acetate · AT-1001
Synthetic octapeptide studied as a gut tight-junction regulator that acts locally in the intestine.
Liraglutide
Victoza · Saxenda
Daily GLP-1 receptor agonist studied for diabetes and weight management.
Maridebart cafraglutide
MariTide · AMG 133
Investigational long-acting GLP-1 receptor agonist and GIP receptor antagonist studied for obesity.
Mazdutide
IBI362 · LY3305677
A synthetic oxyntomodulin analog that acts as a dual GLP-1 and glucagon receptor agonist.
Melanotan I
Melanotan-1 · MT-1
A synthetic alpha-MSH analog that activates the MC1 receptor to increase skin pigmentation.
Orforglipron
Foundayo · orfo
Oral, non-peptide small-molecule GLP-1 receptor agonist studied for weight management and type 2 diabetes.
Pentosan Polysulfate Sodium
PPS · Elmiron
FDA-approved semi-synthetic polysaccharide studied off-label for joint and cartilage protection.
Progesterone (Micronized)
micronized progesterone · Prometrium
Endogenous steroid hormone used in HRT, often to protect the uterine lining.
PT-141 (Bremelanotide)
Bremelanotide · Vyleesi
Melanocortin receptor agonist studied for sexual desire and arousal.
Semaglutide
Ozempic · Wegovy
GLP-1 receptor agonist studied for glycemic control and weight management.
SS-31 (Elamipretide)
SS-31 · Elamipretide
Mitochondria-targeting tetrapeptide that stabilizes cardiolipin in the inner membrane.
Tesamorelin
Tesamorelin acetate · Egrifta
FDA-approved GHRH analog for excess abdominal fat in HIV-associated lipodystrophy.
Testosterone Cypionate
Depo-Testosterone · Test C
Long-acting injectable testosterone ester used as replacement therapy in men.
Testosterone Enanthate
Test E · Xyosted
Long-acting injectable testosterone ester used as replacement therapy in men.
Thymosin Alpha-1
Ta1 · Tα1
Thymic peptide studied as an immune modulator and vaccine adjuvant.
Thymosin Beta-4 (Tβ4)
TB4 · Thymosin β4
Naturally occurring 43-amino-acid regenerative peptide with an ophthalmic drug program studied in controlled human trials.
Tirzepatide
Mounjaro · Zepbound
Dual GIP/GLP-1 receptor agonist studied for diabetes and weight management.
Amycretin
NN-9487 · NN9487
Investigational single-molecule GLP-1 and amylin receptor agonist studied for obesity and type 2 diabetes.
Bimagrumab
BYM338 · Versanis drug
Investigational monoclonal antibody blocking activin type II receptors, studied for fat loss with muscle preservation.
BPC-157
Body Protection Compound 157 · Bepecin
Synthetic gastric pentadecapeptide studied for soft-tissue and gut healing in animal models.
Cagrilintide
AM833 · long-acting amylin analog
Investigational long-acting amylin analog studied for weight management.
Cerebrolysin
FPF-1070 · Porcine brain peptide preparation
Porcine-brain-derived peptide mixture studied for dementia, stroke, and TBI.
DHEA
dehydroepiandrosterone · prasterone
Adrenal steroid precursor to testosterone and estrogen, sold mostly as a supplement.
Enclomiphene Citrate
Enclomiphene · Androxal
SERM studied for raising testosterone while preserving fertility in men.
Follistatin-344
FS-344 · FST-344
Full-length follistatin precursor (FS344) studied for binding myostatin and activin to influence muscle-growth signaling.
GHK-Cu
Copper tripeptide-1 · Copper peptide
Copper-binding tripeptide studied topically for skin renewal and wound healing.
GHRP-2
Growth Hormone Releasing Peptide-2 · Pralmorelin
Synthetic ghrelin-receptor agonist studied for growth-hormone release.
Glutathione
Glutathione · GSH
Endogenous antioxidant tripeptide central to cellular redox balance and detoxification.
Kisspeptin-10
Kisspeptin · KP-10
Hypothalamic neuropeptide studied for reproductive-axis and sexual brain signaling.
L-Carnitine / Acetyl-L-Carnitine
L-Carnitine · Acetyl-L-carnitine
Amino-acid derivative that shuttles fatty acids into mitochondria for energy production.
LL-37
Cathelicidin · CAP-18 fragment
The sole human cathelicidin antimicrobial peptide with immune-modulating roles.
Matrixyl (Palmitoyl Pentapeptide-4)
Palmitoyl Pentapeptide-4 · Palmitoyl Pentapeptide-3
A topical signal peptide used in anti-aging cosmetics to influence skin matrix proteins.
Matrixyl 3000
Palmitoyl Pentapeptide blend · Pal-GHK + Pal-GQPR
A topical cosmetic matrikine peptide blend studied for the appearance of aging skin.
MK-677 (Ibutamoren)
Ibutamoren · Ibutamoren mesylate
Orally active ghrelin-receptor agonist studied for non-pulsatile GH and IGF-1 elevation.
NAD+ (Nicotinamide Adenine Dinucleotide)
NAD · NAD+
Coenzyme central to mitochondrial energy production whose tissue levels decline with age.
NMN / NR (NAD+ Precursors)
NMN · Nicotinamide mononucleotide
Vitamin B3-related precursors that the body converts into NAD+.
Oxytocin
Pitocin · Syntocinon
Endogenous hormone studied for bonding, intimacy, and orgasm-related effects.
Pemvidutide
ALT-801
An investigational injectable GLP-1/glucagon dual receptor agonist studied for obesity and fatty liver disease.
Petrelintide
ZP8396 · long-acting amylin analog
Investigational long-acting amylin analog being developed as a once-weekly injection for weight management.
Retatrutide
LY3437943 · triple-G agonist
Investigational triple GIP/GLP-1/glucagon receptor agonist studied for obesity.
Selank
Thr-Lys-Pro-Arg-Pro-Gly-Pro · Tuftsin analog
Synthetic tuftsin-derived heptapeptide studied as a non-sedating anxiolytic.
Semax
ACTH(4-10) analog · Met-Glu-His-Phe-Pro-Gly-Pro
Russian-developed ACTH(4-10) analog studied as a nootropic and neuroprotective peptide.
Sermorelin
Sermorelin acetate · GRF 1-29
GHRH analog peptide that prompts the pituitary to release growth hormone.
SNAP-8
Acetyl Octapeptide-3 · Acetyl Glutamyl Heptapeptide-3
A synthetic octapeptide studied as a topical cosmetic ingredient for the look of expression lines.
Spermidine
Spermidine trihydrochloride · Spermidine-rich wheat germ extract
A naturally occurring dietary polyamine studied as an autophagy inducer in aging research.
Survodutide
BI 456906 · BI-456906
Investigational dual GLP-1/glucagon receptor agonist studied for obesity and metabolic liver disease.
Tesofensine
NS2330
Investigational triple monoamine reuptake inhibitor studied for obesity.
Thymopentin
TP-5 · TP5
Pentapeptide fragment of thymopoietin studied for restoring T-cell function.
Urolithin A
UroA · UA
Gut-derived metabolite of dietary ellagitannins studied as a mitophagy inducer for mitochondrial health.
VIP (Vasoactive Intestinal Peptide)
Vasoactive Intestinal Polypeptide · Aviptadil (synthetic form)
Naturally occurring 28-amino-acid peptide studied for broad anti-inflammatory effects.
5-Amino-1MQ
5-amino-1-methylquinolinium · NNMT inhibitor
Small-molecule NNMT inhibitor researched for fat metabolism.
Adipotide
FTPP · Fat-Targeted Proapoptotic Peptide
Experimental peptidomimetic designed to target the blood vessels supplying white fat tissue.
AOD-9604
HGH fragment 176-191 · growth hormone fragment
Synthetic growth-hormone fragment researched for fat metabolism.
Argireline
Acetyl Hexapeptide-8 · Acetyl Hexapeptide-3
A synthetic peptide studied in topical cosmetics for the look of expression lines.
CJC-1295 (no DAC)
CJC-1295 without DAC · Mod GRF 1-29
Short-acting modified GHRH analog studied as a pulsatile growth-hormone stimulus.
CJC-1295 with DAC
CJC-1295 DAC · Drug Affinity Complex CJC-1295
Long-acting GHRH analog studied for sustained growth-hormone elevation.
Dihexa
N-hexanoic-Tyr-Ile-(6) aminohexanoic amide · PNB-0408
Angiotensin IV-derived peptidomimetic studied in preclinical models for synaptogenesis.
DSIP (Delta Sleep-Inducing Peptide)
Delta Sleep-Inducing Peptide · Emideltide
A naturally occurring nonapeptide studied for sleep regulation, with mixed human evidence.
FOXO4-DRI
FOXO4-DRI · FOXO4 D-Retro-Inverso peptide
Senolytic peptide designed to selectively trigger apoptosis in senescent cells.
GHK (copper-free)
Glycyl-L-Histidyl-L-Lysine · GHK tripeptide
A naturally occurring human tripeptide studied in skin care in its non-copper-bound form.
GHRP-6
Growth Hormone Releasing Peptide-6 · SKF-110679
Early clinically studied GHRP; ghrelin-receptor agonist with marked appetite effect.
Hexarelin
Examorelin · EP-23905
Synthetic GHRP analog studied for growth-hormone and cardiovascular effects.
HGH Fragment 176-191
Frag 176-191 · HGH Frag
A synthetic C-terminal fragment of human growth hormone studied for fat metabolism in research settings.
Humanin
Humanin · HN
Mitochondrial-derived peptide that acts as a cytoprotective and neuroprotective signal.
IGF-1 DES
IGF-1 DES(1-3) · DES(1-3) IGF-1
A truncated analog of IGF-1 studied chiefly in cell and animal models for localized growth signaling.
IGF-1 LR3
Long R3 IGF-1 · Long Arg3 IGF-1
A long-acting synthetic analog of insulin-like growth factor 1 used chiefly as a research reagent.
Ipamorelin
NNC 26-0161
Selective ghrelin-receptor agonist that stimulates a growth-hormone pulse.
Klotho
Klotho protein · alpha-Klotho
A naturally occurring protein, first linked to aging in mice, studied as a longevity and cognition factor.
KPV
Lysine-Proline-Valine · α-MSH (11-13)
Alpha-MSH-derived tripeptide studied for anti-inflammatory effects in the gut and skin.
Lipo-B12 / MIC Injection
Lipotropic injection · MIC
A compounded lipotropic blend combining methionine, inositol, choline, and vitamin B12.
MGF (Mechano Growth Factor)
Mechano Growth Factor · IGF-1Ec
A locally expressed IGF-1 splice variant studied in animal models for muscle repair.
MOTS-c
Mitochondrial ORF of the twelve S rRNA type-c · mitochondrial-derived peptide
Mitochondrial-derived peptide researched for metabolic regulation.
P21 (P021)
P021 · P-21
Adamantane-modified CNTF-derived tetrapeptide studied for neurogenesis and tau pathology.
Palmitoyl Tetrapeptide-7
Pal-GQPR · Rigin
A synthetic topical lipopeptide studied as an anti-inflammatory, skin-conditioning ingredient in cosmetic formulations.
Palmitoyl Tripeptide-1
Pal-GHK · Palmitoyl Oligopeptide
A topical cosmetic peptide studied as a fibroblast-signaling ingredient in anti-aging skincare formulations.
PE-22-28
Spadin analog · TREK-1 inhibitor peptide
Spadin-derived 7-residue peptide studied for antidepressant-like effects via TREK-1.
PEG-MGF
Pegylated MGF · Pegylated Mechano Growth Factor
A pegylated, longer-acting form of a muscle-derived IGF-1 splice variant studied mainly in preclinical models.
Pinealon
Pineal bioregulator · EDR peptide
A synthetic Glu-Asp-Arg tripeptide bioregulator studied in laboratory models for neuroprotection and gene-expression effects.
Pregnenolone
P5 · 3 beta-hydroxy-5-pregnen-20-one
Upstream steroid precursor hormone sold as a supplement with limited evidence.
SLU-PP-332
ERR agonist · exercise mimetic
An experimental synthetic ERR agonist studied in animals as an "exercise mimetic" for metabolic pathways.
TB-500
Thymosin Beta-4 fragment · TB4 synthetic analog
Synthetic peptide related to thymosin beta-4, studied for cell migration and soft-tissue recovery.
Thymalin
Thymus peptide complex · Thymalinum
Calf-thymus peptide complex used in Russia as an immune bioregulator.
Thymogen
Thymagen · Glu-Trp
Synthetic dipeptide (Glu-Trp) derived from thymalin as a minimal immune regulator.
Thymulin
Thymulin · Zinc-thymulin
Zinc-dependent thymic nonapeptide involved in T-cell maturation and immune signaling.
Epitalon (Epithalon)
Epitalon · Epithalon
Synthetic pineal tetrapeptide studied for telomerase activation and circadian regulation.
Melanotan II
MT-II · MT2
Non-selective melanocortin agonist associated with pigmentation and arousal effects.
N-Acetyl Selank Amidate
NA-Selank Amidate · NA Selank
Modified Selank variant engineered for improved enzymatic stability.
N-Acetyl Semax Amidate
NA-Semax Amidate · NA Semax
Chemically modified Semax variant designed for greater stability and longer action.
Pentadeca Arginate (PDA)
PDA · BPC-157 arginate
Arginate-salt form of the BPC-157 sequence sold for healing; lacks its own trial data.
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