Peptide Intelligence
Peptides, scored by the evidence
See which peptides the evidence backs, what each is researched for, and its US status.
- 58BioHarmony scores
- 95compounds
- Everyentry sourced
95 compoundsranked by score
- 7.5/10BPC-157BPC-157 is a 15-amino-acid gastric peptide fragment with consistent preclinical repair data, including a 2025 sports-medicine systematic review of 36 studies with 35…
- 7.5/10TB-500 (Thymosin Beta-4 Fragment)TB-500 is a synthetic LKKTETQ fragment marketed for soft-tissue repair, but most human evidence is on full-length topical thymosin beta-4: Sosne 2023 reported corneal…
- 7.4/10Thymosin Alpha-1Thymosin Alpha-1 is a 28-amino-acid thymic peptide with strongest evidence in immune-compromised and hospital-adjacent settings: Cao 2024 pooled 39 acute COPD…
- 7.2/10GHK-Cu (Copper Peptide)GHK-Cu is a human copper-binding tripeptide with the best evidence for topical skin repair and wound healing, including Mulder 1994 diabetic ulcer data showing 98.5%…
- 7.2/10Thymosin Beta-4 (Full)Thymosin beta-4 is the native 43-amino-acid peptide that promotes tissue repair via actin-sequestering and the Ac-SDKP repair axis.
- 7.1/10KPV (Lysine-Proline-Valine)KPV is a three-amino-acid alpha-MSH fragment that reduced inflammation in mouse colitis models through PepT1 uptake and NF-kB pathway suppression, but it still has zero…
- 7.1/10SemaxSemax is a Russian-developed ACTH 4-7 + PGP heptapeptide with the strongest human signal in post-stroke recovery, including a 110-patient Gusev et al.
- 6.8/10Gonadorelin (GnRH)Gonadorelin is synthetic GnRH, a decapeptide that tells the pituitary to release LH and FSH.
- 6.8/10SelankSelank is a synthetic tuftsin-derived heptapeptide studied as a non-sedating anxiolytic.
- 6.7/10ARA-290ARA-290 (cibinetide) is an EPO-derived peptide that activates the innate repair receptor to regrow small nerve fibers without EPO's blood effects.
- 6.7/10Epitalon (Epithalon)Epitalon is a synthetic AEDG tetrapeptide with in vitro telomerase and telomere data, animal lifespan signals, and Russian pineal-peptide melatonin studies.
- 6.6/10ThymulinThymulin (zinc-thymulin) is a chemically defined, zinc-dependent thymic nonapeptide hormone with deep classical immunology behind it but no modern human trial of the…
- 6.5/10AHK-Cu (Copper Tripeptide)AHK-Cu is a topical copper tripeptide, Alanine-Histidine-Lysine plus copper, marketed for hair growth.
- 6.5/10Kisspeptin-10Kisspeptin-10 is an investigational reproductive neuropeptide that activates the HPG axis through the KISS1R receptor.
- 6.5/10OxytocinIntranasal oxytocin is the endogenous bonding hormone used off-label as a nasal spray for social connection, anxiety, and libido.
- 6.4/10PinealonPinealon (Glu-Asp-Arg, or EDR) is a synthetic Khavinson tripeptide marketed for neuroprotection and cognition.
- 6.3/10CerebrolysinCerebrolysin is a porcine brain-derived peptide mixture given by IV or IM infusion.
- 6.2/10IpamorelinIpamorelin is a selective growth-hormone secretagogue with strong receptor selectivity but almost no human efficacy data: its only completed human efficacy trial…
- 6.2/10Melanotan IMelanotan I is most defensible for photoprotection in EPP and planned UV exposure, with Langendonk 2015 reporting 69.4 vs 40.8 hours of pain-free sun exposure in the US…
- 6.2/10SNAP-8SNAP-8 (acetyl octapeptide-3) is a topical cosmetic peptide sold as a Botox alternative.
- 6.1/10MOTS-cMOTS-c is a 16-amino-acid mitochondrial-derived peptide discovered in Lee 2015 that activates AMPK through the folate and purine pathway.
- 6.1/10TirzepatideTirzepatide is a once-weekly subcutaneous dual GIP plus GLP-1 receptor agonist with unusually large weight-loss and glycemic effects.
- 6.0/10DSIP (Delta Sleep Inducing Peptide)DSIP (Delta Sleep-Inducing Peptide) is a naturally-occurring nonapeptide whose famous name oversells it.
- 6.0/10SS-31 (Elamipretide)SS-31 (elamipretide) is a mitochondria-targeting tetrapeptide that binds cardiolipin.
- 6.0/10TesamorelinTesamorelin is a stabilized GHRH analog that reduced visceral adipose tissue in the landmark Falutz 2007 HIV lipodystrophy Phase 3 trial and has newer support for…
- 5.9/10Semaglutide (GLP-1 Agonist)Semaglutide is a prescription GLP-1 receptor agonist that produced 14.9% mean weight loss in STEP-1 and cut 3-point MACE by 20% in SELECT, but the 5.5-6.0/10 score holds…
- 5.9/10SermorelinSermorelin (GHRH 1-29) is a short-acting peptide that prompts your own pituitary to release growth hormone, and it is the only one in its class with a former FDA…
- 5.9/10ThymalinThymalin is a bovine-thymus peptide extract studied for immune restoration and aging.
- 5.8/10CagrilintideCagrilintide (AM833) is a long-acting amylin receptor analogue that drove about 11.8 percent weight loss as monotherapy at 68 weeks in REDEFINE 1 per Garvey 2025, with…
- 5.8/10CJC-1295 No DAC (Mod GRF 1-29)CJC-1295 No DAC (Mod GRF 1-29) is a short-acting GHRH peptide, almost always stacked with ipamorelin, that prompts a pulse of your own growth hormone.
- 5.8/10OrforglipronOrforglipron (Foundayo) is the first FDA-approved non-peptide oral GLP-1 pill, cleared for obesity in April 2026.
- 5.8/10VK2735VK2735 is an investigational dual GLP-1 and GIP receptor agonist from Viking Therapeutics that produced about 14.7 percent weight loss at 13 weeks in its peer-reviewed…
- 5.7/10VilonVilon is the Lysine-Glutamic acid (KE) dipeptide from Vladimir Khavinson's bioregulator program, sold for immune restoration and anti-aging.
- 5.6/10MazdutideMazdutide (IBI362) is the first GLP-1 plus glucagon dual agonist approved anywhere, cleared in China for obesity in June 2025.
- 5.6/10RetatrutideRetatrutide is Lilly's investigational once-weekly GLP-1/GIP/glucagon triple agonist.
- 5.5/10GHRP-2 (Pralmorelin)GHRP-2 (pralmorelin) is a ghrelin-receptor peptide that drives a strong growth-hormone pulse, approved in Japan since 2004 as a diagnostic test.
- 5.5/10HumaninHumanin is a 24-amino-acid mitochondrial-derived peptide that declines with age and runs much higher in children of centenarians, per Yen 2020, but it scores Neutral…
- 5.4/10PT-141 (Bremelanotide)PT-141 (bremelanotide) is the only FDA-approved drug for low sexual desire in premenopausal women (Vyleesi, 2019).
- 5.4/10VIP (Vasoactive Intestinal Peptide)VIP, or vasoactive intestinal peptide, is the endogenous neuropeptide whose synthetic form is aviptadil, used off-label for anti-inflammatory, immune, respiratory, and…
- 5.2/10LiraglutideLiraglutide is a once-daily prescription GLP-1 receptor agonist. In the 3,731-person SCALE trial, 3.0 mg with lifestyle counseling produced 8.4 kg mean weight loss…
- 5.1/10CagriSemaCagriSema is an investigational once-weekly amylin plus GLP-1 injectable that produced about 22.7% weight loss on-treatment in REDEFINE 1, per Garvey 2025 in NEJM.
- 5.1/10GHRP-6GHRP-6 is a synthetic peptide that activates the ghrelin receptor to release a pulse of your own growth hormone.
- 5.1/10SurvodutideSurvodutide (BI 456906) is an investigational once-weekly GLP-1 and glucagon dual agonist that drove up to 16.6% weight loss in Phase 3, per the Boehringer Ingelheim…
- 5.0/10BAM15BAM15 is an experimental mitochondrial uncoupler that reversed diet-induced obesity and insulin resistance in mice without raising body temperature, the effect that made…
- 5.0/10NAD+NAD+ (Direct) is the central redox coenzyme given by IV, injection, sublingual, or intranasal route, and it scores 5.0-5.5/10 because the human evidence is a single…
- 5.0/10P21 (P021)P21 (P021) is a CNTF-derived peptidomimetic that crosses the blood-brain barrier and, in mice, raises BDNF, lifts hippocampal neurogenesis, and lowers tau pathology in…
- 5.0/10TesofensineTesofensine is a small-molecule triple monoamine reuptake inhibitor that produced strong Phase 2 weight loss for obesity, about 9 to 11 percent at 24 weeks per Astrup…
- 4.9/105-Amino-1MQ5-Amino-1MQ is a synthetic NNMT-inhibitor research compound that cut fat mass in obese mice and raised NAD+ in cultured fat cells (Neelakantan 2018), but it has zero…
- 4.9/10Ibutamoren (MK-677)MK-677 (ibutamoren) is an oral, once-daily growth-hormone secretagogue that raises IGF-1 by about 50 to 97 percent and adds roughly 1.1 kg of fat-free mass, per the Nass…
- 4.9/10PE-22-28 (Spadin)PE-22-28 is a synthetic spadin analogue that blocks the TREK-1 potassium channel, a target with a clean and well-characterized link to fast-acting antidepressant effects…
- 4.7/10LL-37 (Cathelicidin)LL-37 (Cathelicidin) is the only human cathelicidin antimicrobial peptide, with a rich antimicrobial and wound-healing mechanism but thin human therapy data: one small…
- 4.7/10Pentosan Polysulfate (PPS)Pentosan polysulfate (oral Elmiron) is an FDA-approved sulfated polysaccharide drug for interstitial cystitis bladder pain, sometimes used off-label for joints.
- 4.7/10SLU-PP-332SLU-PP-332 is a synthetic pan-ERR agonist developed in the Thomas Burris lab. Billon et al.
- 4.5/10Melanotan IIMelanotan II is a fast tanning and sexual-response peptide with a harsher safety tradeoff; Nelson 2012 reported rhabdomyolysis after a 6 mg injection.
- 4.4/10CJC-1295 DACCJC-1295 with DAC is the long-acting form, dosed about weekly, that keeps growth hormone elevated for 6 to 8 days.
- 4.4/10DihexaDihexa is a gray-market angiotensin IV analog with rodent synaptogenesis and memory data, including McCoy 2013 and Sun 2021, but zero human trials, no human…
- 4.1/10FOX04-DRIFOXO4-DRI is a designed senolytic peptide that kills senescent cells by breaking the FOXO4 to p53 bond, famous for restoring fur and kidney function in aged mice per…
- 3.0/10AOD-9604AOD-9604 is a human growth hormone fragment (hGH 176 to 191) marketed for fat loss, but its only controlled human weight-loss program failed to beat placebo, per the…
- Not yet scoredAbaloparatide (Tymlos)
- Not yet scoredATX-304 (O-304)
- Not yet scoredB7-33B7-33 is a preclinical single-chain relaxin-family peptide agonist studied for selective antifibrotic signaling in animal models.
- Not yet scoredBerobenatide (MET-097i / PF-08653944)
- Not yet scoredCalcitonin Salmon
- Not yet scoredDesmopressin
- Not yet scoredDulaglutide (Trulicity)
- Not yet scoredEnicepatide (CT-388)
- Not yet scoredExenatide
- Not yet scoredGlucagon
- Not yet scoredGoserelin (Zoladex)
- Not yet scoredHistrelin (Supprelin LA)
- Not yet scoredIcatibant (Firazyr)
- Not yet scoredLanreotide
- Not yet scoredLeuprolide
- Not yet scoredLinaclotide (Linzess)
- Not yet scoredLixisenatide
- Not yet scoredMaridebart Cafraglutide (MariTide)
- Not yet scoredNavepegritide (Yuviwel)
- Not yet scoredOctreotide
- Not yet scoredP110P110 is a preclinical peptide inhibitor of the stress-associated Drp1-Fis1 interaction. Recent animal and cell studies do not establish human safety or effectiveness.
- Not yet scoredPasireotide (Signifor)
- Not yet scoredPEG-MGF
- Not yet scoredPemvidutide
- Not yet scoredPetrelintide
- Not yet scoredPlecanatide (Trulance)
- Not yet scoredPramlintide (SymlinPen)
- Not yet scoredRusfertide (PTG-300)
- Not yet scoredSetmelanotide (Imcivree)
- Not yet scoredTeduglutide (Gattex)
- Not yet scoredTeriparatide
- Not yet scoredTerlipressin (Terlivaz)
- Not yet scoredTriptorelin (Trelstar)
- Not yet scoredUBT251
- Not yet scoredVosoritide (Voxzogo)
- Not yet scoredZenagamtide (Amycretin)
- Not yet scoredZiconotide (Prialt)
How to read this database
BioHarmony score
Outliyr's 0 to 10 rating of benefit, risk, and evidence.
Not yet scored
No report yet. Review queued; status and sources still apply.
Trust & sourcing
US status, review dates, and sources on every page.
Free guide
The Ultimate Peptides Guide
Spot stronger candidates, weak evidence, and seller red flags before you buy.