Peptide research library
By Preptide Pro editorial team · Last updated
This library summarizes 50 peptides and the blends people commonly track. Each entry gives a short neutral description, chemistry from PubChem, FDA approval status from openFDA (11 of the 50 have an FDA-approved product), and how much research PubMed lists. It does not give doses or recommendations.
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Peptide library 57 entries
5-Amino-1MQNot FDA-approved
Metabolic (non-peptide) · 34 PubMed records
AOD-9604Not FDA-approved
Metabolic · 23 PubMed records
ARA-290 (Cibinetide)Not FDA-approved
Neuropathy · 86 PubMed records
BPC-157Not FDA-approved
Tissue repair · 237 PubMed records
CagrilintideNot FDA-approved
GLP-1 / metabolic · 107 PubMed records
Cagrilintide + TirzepatideNot FDA-approved
Blend · 32 PubMed records
CagriSema (Cagrilintide + Semaglutide)Not FDA-approved
Blend · 84 PubMed records
CerebrolysinNot FDA-approved
Neurological · 676 PubMed records
CJC-1295 (no DAC) / Mod GRF 1-29Not FDA-approved
Growth hormone axis · 206 PubMed records
CJC-1295 (with DAC)Not FDA-approved
Growth hormone axis · 35 PubMed records
CJC-1295 + IpamorelinNot FDA-approved
Blend · 12 PubMed records
DihexaNot FDA-approved
Nootropic · 19 PubMed records
DSIP (Delta sleep-inducing peptide)Not FDA-approved
Sleep · 518 PubMed records
EpitalonNot FDA-approved
Longevity · 144 PubMed records
FOXO4-DRINot FDA-approved
Longevity · 19 PubMed records
GHK-CuNot FDA-approved
Skin & repair · 202 PubMed records
GHRP-2 (Pralmorelin)Not FDA-approved
Growth hormone axis · 258 PubMed records
GHRP-6Not FDA-approved
Growth hormone axis · 788 PubMed records
GLOW (BPC-157 + TB-500 + GHK-Cu)Not FDA-approved
Blend · 3 PubMed records
GonadorelinFDA-approved
Hormonal · 43,360 PubMed records
HexarelinNot FDA-approved
Growth hormone axis · 314 PubMed records
HGH Fragment 176-191Not FDA-approved
Metabolic · 3 PubMed records
HumaninNot FDA-approved
Mitochondrial · 573 PubMed records
IGF-1 LR3Not FDA-approved
Growth factor · 32 PubMed records
IpamorelinNot FDA-approved
Growth hormone axis · 55 PubMed records
KisspeptinNot FDA-approved
Hormonal · 3,880 PubMed records
KLOW (BPC-157 + TB-500 + GHK-Cu + KPV)Not FDA-approved
Blend · 0 PubMed records
KPVNot FDA-approved
Anti-inflammatory · 37 PubMed records
LiraglutideFDA-approved
GLP-1 / metabolic · 6,027 PubMed records
LL-37Not FDA-approved
Immune · 3,171 PubMed records
MazdutideNot FDA-approved
GLP-1 / metabolic · 57 PubMed records
Melanotan I (Afamelanotide)FDA-approved
Melanocortin · 119 PubMed records
Melanotan IINot FDA-approved
Melanocortin · 244 PubMed records
MK-677 (Ibutamoren)Not FDA-approved
Growth hormone axis (non-peptide) · 139 PubMed records
MOTS-cNot FDA-approved
Mitochondrial · 265 PubMed records
NAD+Not FDA-approved
Cellular health · 723 PubMed records
OrforglipronFDA-approved
GLP-1 / metabolic (non-peptide) · 156 PubMed records
OxytocinFDA-approved
Neuropeptide · 34,018 PubMed records
PinealonNot FDA-approved
Nootropic · 22 PubMed records
PT-141 (Bremelanotide)FDA-approved
Sexual health · 110 PubMed records
RetatrutideNot FDA-approved
GLP-1 / metabolic · 211 PubMed records
SelankNot FDA-approved
Nootropic · 137 PubMed records
SemaglutideFDA-approved
GLP-1 / metabolic · 6,013 PubMed records
SemaxNot FDA-approved
Nootropic · 234 PubMed records
SermorelinFDA-approved
Growth hormone axis · 334 PubMed records
SLU-PP-332Not FDA-approved
Metabolic (non-peptide) · 10 PubMed records
SS-31 (Elamipretide)FDA-approved
Mitochondrial · 527 PubMed records
SurvodutideNot FDA-approved
GLP-1 / metabolic · 93 PubMed records
TB-500 (Thymosin beta-4 fragment)Not FDA-approved
Tissue repair · 1,038 PubMed records
TesamorelinFDA-approved
Growth hormone axis · 122 PubMed records
Tesamorelin + IpamorelinNot FDA-approved
Blend · 7 PubMed records
TesofensineNot FDA-approved
Metabolic (non-peptide) · 56 PubMed records
ThymalinNot FDA-approved
Immune · 293 PubMed records
Thymosin Alpha-1 (Thymalfasin)Not FDA-approved
Immune · 872 PubMed records
TirzepatideFDA-approved
GLP-1 / metabolic · 2,737 PubMed records
VIP (Vasoactive intestinal peptide)Not FDA-approved
Neuropeptide · 14,367 PubMed records
Wolverine (BPC-157 + TB-500)Not FDA-approved
Blend · 8 PubMed records
Data v1, built 2026-11-03 from PubChem PUG REST, NCBI E-utilities (PubMed), openFDA drugsfda.
Quick links
TB-500 (Thymosin Beta-4)
Semaglutide
Tirzepatide
Retatrutide
Cagrilintide
Tesamorelin
SS-31 (Elamipretide)
Thymosin Alpha-1
Peptide reference
Published reference ranges quoted from peptidedosingprotocols.com. Shown as cited reference text only, not a recommendation.
| Peptide | Category | Published range | Frequency | Half-life | Route |
|---|---|---|---|---|---|
| AOD-9604 | Lipolytic Fragment | 300–500 mcg/day | Daily | ~4 min (plasma) | SubQ |
| BPC-157 | Tissue Repair | 250–500 mcg/day | Daily | ~4 hours | SubQ / Oral |
| Bremelanotide (PT-141) | Sexual Health | 1–2 mg | As needed | ~2.5 hours | SubQ |
| Cagrilintide | Amylin Analog | 1.2–4.5 mg/week | Weekly | ~5 days | SubQ |
| CJC-1295 (DAC) | GH Secretagogue | 1–2 mg/week | 1–2x weekly | ~8 days | SubQ |
| CJC-1295 (No DAC) | GH Secretagogue | 100 mcg | 2–3x daily | ~30 min | SubQ |
| DSIP | Sleep Peptide | 100–300 mcg | Evening | Short | SubQ |
| GHK-Cu | Copper Peptide | 1–2 mg/day | Daily | ~1 hour | SubQ / Topical |
| Humanin | Mitochondrial | 0.5–2 mg/day | Daily | Short | SubQ |
| IGF-1 LR3 | Growth Factor | 20–60 mcg/day | Daily | 20–30 hours | SubQ / IM |
| Ipamorelin | GH Secretagogue | 200–300 mcg | 2–3x daily | ~2 hours | SubQ |
| Kisspeptin | Hormonal Signaling | 50–200 mcg | 1–2x daily | ~4 min | SubQ |
| KPV | Anti-Inflammatory | 200–500 mcg/day | Daily | Short (tripeptide) | SubQ / Oral |
| Melanotan II | Melanocortin | 250–500 mcg | 2–3x weekly | ~1 hour | SubQ |
| MOTS-c | Mitochondrial | 5–10 mg | 2–3x weekly | ~1–2 hours | SubQ |
| NAD+ | Cellular Health | 50–100 mg | 2–3x weekly | Variable | SubQ / IV |
| Oxytocin | Neuropeptide | 10–40 IU | As needed | ~3–5 min | Intranasal / SubQ |
| Retatrutide | Triple Agonist | 1–12 mg/week | Weekly | ~6 days | SubQ |
| Selank | Nootropic | 250–750 mcg/day | Daily | ~5 min | Intranasal / SubQ |
| Semaglutide | GLP-1 Agonist | 0.25–2.4 mg/week | Weekly | ~7 days | SubQ |
| Semax | Nootropic | 200–600 mcg/day | Daily | ~5 min | Intranasal |
| Sermorelin | GH Secretagogue | 200–500 mcg/day | Daily (PM) | ~10–20 min | SubQ |
| SLU-PP-332 | Exercise Mimetic | 100–300 mcg/day | Daily | Preclinical | Oral / Research |
| SS-31 | Mitochondrial | 4–40 mg/day | Daily | ~2–4 hours | SubQ |
| TB-500 | Tissue Repair | 2–5 mg | 2x weekly | ~Long-acting | SubQ |
| Tesamorelin | GH Secretagogue | 1–2 mg/day | Daily | ~26–38 min | SubQ |
| Tesofensine | Metabolic | 0.25–1 mg/day | Daily | ~9 days | Oral |
| Thymosin Alpha-1 | Immune Peptide | 1.6 mg | 2x weekly | ~2 hours | SubQ |
| Tirzepatide | Dual Agonist | 2.5–15 mg/week | Weekly | ~5 days | SubQ |
Source: peptidedosingprotocols.com quick-reference chart.
Reference ranges are quoted from a third-party source for research context only. They are not dosing advice. Check with a clinician.
All entries at a glance
| Name | Type | Category | FDA status | PubMed records |
|---|---|---|---|---|
| BPC-157 | Peptide | Tissue repair | Not FDA-approved | 237 |
| TB-500 (Thymosin beta-4 fragment) | Peptide | Tissue repair | Not FDA-approved | 1,038 |
| GHK-Cu | Peptide | Skin & repair | Not FDA-approved | 202 |
| KPV | Peptide | Anti-inflammatory | Not FDA-approved | 37 |
| Semaglutide | Peptide | GLP-1 / metabolic | FDA-approved (see products) | 6,013 |
| Tirzepatide | Peptide | GLP-1 / metabolic | FDA-approved (see products) | 2,737 |
| Retatrutide | Peptide | GLP-1 / metabolic | Not FDA-approved | 211 |
| Cagrilintide | Peptide | GLP-1 / metabolic | Not FDA-approved | 107 |
| CJC-1295 (with DAC) | Peptide | Growth hormone axis | Not FDA-approved | 35 |
| CJC-1295 (no DAC) / Mod GRF 1-29 | Peptide | Growth hormone axis | Not FDA-approved | 206 |
| Ipamorelin | Peptide | Growth hormone axis | Not FDA-approved | 55 |
| Tesamorelin | Peptide | Growth hormone axis | FDA-approved (see products) | 122 |
| Sermorelin | Peptide | Growth hormone axis | Previously FDA-approved (discontinued) | 334 |
| MOTS-c | Peptide | Mitochondrial | Not FDA-approved | 265 |
| SS-31 (Elamipretide) | Peptide | Mitochondrial | FDA-approved (see products) | 527 |
| NAD+ | Peptide | Cellular health | Not FDA-approved | 723 |
| Epitalon | Peptide | Longevity | Not FDA-approved | 144 |
| Selank | Peptide | Nootropic | Not FDA-approved | 137 |
| Semax | Peptide | Nootropic | Not FDA-approved | 234 |
| DSIP (Delta sleep-inducing peptide) | Peptide | Sleep | Not FDA-approved | 518 |
| PT-141 (Bremelanotide) | Peptide | Sexual health | FDA-approved (see products) | 110 |
| Melanotan II | Peptide | Melanocortin | Not FDA-approved | 244 |
| Melanotan I (Afamelanotide) | Peptide | Melanocortin | FDA-approved (see products) | 119 |
| AOD-9604 | Peptide | Metabolic | Not FDA-approved | 23 |
| IGF-1 LR3 | Peptide | Growth factor | Not FDA-approved | 32 |
| Kisspeptin | Peptide | Hormonal | Not FDA-approved | 3,880 |
| Thymosin Alpha-1 (Thymalfasin) | Peptide | Immune | Not FDA-approved | 872 |
| Oxytocin | Peptide | Neuropeptide | FDA-approved (see products) | 34,018 |
| Humanin | Peptide | Mitochondrial | Not FDA-approved | 573 |
| 5-Amino-1MQ | Peptide | Metabolic (non-peptide) | Not FDA-approved | 34 |
| FOXO4-DRI | Peptide | Longevity | Not FDA-approved | 19 |
| ARA-290 (Cibinetide) | Peptide | Neuropathy | Not FDA-approved | 86 |
| Cerebrolysin | Peptide | Neurological | Not FDA-approved | 676 |
| Pinealon | Peptide | Nootropic | Not FDA-approved | 22 |
| Tesofensine | Peptide | Metabolic (non-peptide) | Not FDA-approved | 56 |
| SLU-PP-332 | Peptide | Metabolic (non-peptide) | Not FDA-approved | 10 |
| Hexarelin | Peptide | Growth hormone axis | Not FDA-approved | 314 |
| GHRP-2 (Pralmorelin) | Peptide | Growth hormone axis | Not FDA-approved | 258 |
| GHRP-6 | Peptide | Growth hormone axis | Not FDA-approved | 788 |
| MK-677 (Ibutamoren) | Peptide | Growth hormone axis (non-peptide) | Not FDA-approved | 139 |
| LL-37 | Peptide | Immune | Not FDA-approved | 3,171 |
| Thymalin | Peptide | Immune | Not FDA-approved | 293 |
| Dihexa | Peptide | Nootropic | Not FDA-approved | 19 |
| Mazdutide | Peptide | GLP-1 / metabolic | Not FDA-approved | 57 |
| Survodutide | Peptide | GLP-1 / metabolic | Not FDA-approved | 93 |
| Orforglipron | Peptide | GLP-1 / metabolic (non-peptide) | FDA-approved (see products) | 156 |
| Liraglutide | Peptide | GLP-1 / metabolic | FDA-approved (see products) | 6,027 |
| HGH Fragment 176-191 | Peptide | Metabolic | Not FDA-approved | 3 |
| VIP (Vasoactive intestinal peptide) | Peptide | Neuropeptide | Not FDA-approved | 14,367 |
| Gonadorelin | Peptide | Hormonal | Previously FDA-approved (discontinued) | 43,360 |
| Wolverine (BPC-157 + TB-500) | Blend | Blend | Not FDA-approved (as a combination) | — |
| GLOW (BPC-157 + TB-500 + GHK-Cu) | Blend | Blend | Not FDA-approved (as a combination) | — |
| KLOW (BPC-157 + TB-500 + GHK-Cu + KPV) | Blend | Blend | Not FDA-approved (as a combination) | — |
| CagriSema (Cagrilintide + Semaglutide) | Blend | Blend | Not FDA-approved (as a combination) | — |
| Cagrilintide + Tirzepatide | Blend | Blend | Not FDA-approved (as a combination) | — |
| CJC-1295 + Ipamorelin | Blend | Blend | Not FDA-approved (as a combination) | — |
| Tesamorelin + Ipamorelin | Blend | Blend | Not FDA-approved (as a combination) | — |
Where the data comes from
Entries are generated by a script from public sources: PubChem PUG REST, NCBI E-utilities (PubMed), openFDA drugsfda. Anything without an FDA-approved product is marked “Not FDA-approved”. Descriptions are written by the Preptide Pro editorial team. The third-party dose reference below is quoted text with its source cited, not our recommendation.