The PeptiDex Peptide Directory
Every one of the 79 entries in the library, grouped by research category and indexed A–Z. Each entry carries the same structure: compound class, mechanism, studied effects, specifications, reference dosing, stacks, and FAQs.
GLP-1 Family 9
Glucagon-like peptide-1 receptor agonists studied for metabolic research. Read the GLP-1 Family research hub →
Cagrilintide
Long-acting amylin receptor agonist (amylin analog)A long-acting amylin analog studied alongside GLP-1 agonists in metabolic-research contexts.
Cagrisema (Cagrilintide + Semaglutide)Blend
Fixed-combination amylin analog plus GLP-1 receptor agonistA research-supplier blend combining the amylin analog cagrilintide with the GLP-1 receptor agonist semaglutide, referenced in combination metabolic-research contexts.
Dulaglutide
GLP-1 receptor agonistA long-acting GLP-1 receptor agonist Fc-fusion referenced in comparative metabolic research.
Liraglutide
GLP-1 receptor agonistAn earlier-generation GLP-1 receptor agonist widely referenced in comparative research.
Mazdutide
Dual GLP-1/glucagon receptor agonistA dual GLP-1 and glucagon receptor agonist referenced in emerging metabolic-research literature.
Retatrutide
Triple GIP/GLP-1/glucagon receptor agonistA triple agonist (GLP-1/GIP/glucagon) representing the newest class in GLP-axis research.
Semaglutide
GLP-1 receptor agonistA long-acting GLP-1 receptor agonist extensively studied in metabolic and appetite-regulation research.
Survodutide
Dual GLP-1/glucagon receptor agonistA dual GLP-1 and glucagon receptor agonist studied in emerging metabolic and hepatic-research contexts.
Tirzepatide
Dual GIP/GLP-1 receptor agonistA dual GIP/GLP-1 receptor agonist of significant interest in metabolic peptide research.
Growth & GH-Axis 13
Peptides studied for their interaction with the growth-hormone axis. Read the Growth & GH-Axis research hub →
CJC-1295
GHRH analog (long-acting, with Drug Affinity Complex / DAC)A long-acting GHRH analog often referenced alongside Ipamorelin in research literature.
CJC-1295 (No DAC)
GHRH analog (short-acting modified GHRH(1-29), aka Mod GRF 1-29)A short-acting form of CJC-1295 lacking the Drug Affinity Complex, referenced in pulsatile GH-release research.
CJC-1295 + Ipamorelin BlendBlend
Combination product: GHRH analog (CJC-1295) + GHRP/ghrelin-receptor agonist (ipamorelin)A research-supplier blend combining the GHRH analog CJC-1295 with the GH-secretagogue Ipamorelin, often paired in growth-axis research.
GHRP-2
Growth-hormone secretagogue (GHRP) / ghrelin receptor agonistA synthetic GH-releasing peptide studied alongside GHRH analogs.
GHRP-6
Growth-hormone secretagogue (GHRP) / ghrelin receptor agonistAn early-generation GH-releasing peptide referenced in foundational research.
Hexarelin
Growth-hormone secretagogue (GHRP) / ghrelin receptor agonistA synthetic hexapeptide studied in growth-hormone secretagogue research.
IGF-1 DES
IGF-1 analog (truncated des(1-3) IGF-1 variant)A truncated analog of insulin-like growth factor-1 studied in localized growth-factor research.
IGF-1 LR3
IGF-1 analog (Long R3 IGF-1 variant)A long-acting analog of insulin-like growth factor-1 studied in IGF-axis research.
Ipamorelin
Growth-hormone secretagogue (GHRP) / ghrelin receptor agonistA selective GH-secretagogue peptide studied in pulsatile GH-release research.
MK-677 (Ibutamoren)
Orally active non-peptide growth-hormone secretagogue (ghrelin-receptor agonist)An orally active ghrelin-receptor agonist studied in GH-axis research.
PEG-MGF
IGF-1 splice variant analog (PEGylated Mechano Growth Factor)A PEGylated form of mechano growth factor referenced in muscle and tissue-repair research.
Sermorelin
GHRH analog (growth-hormone-releasing hormone analog)A 29-amino-acid analog of GHRH used in growth-axis research.
Tesamorelin
GHRH analog (stabilized long-acting GHRH(1-44) analog)A synthetic GHRH analog studied in growth-hormone and metabolic research.
Healing & Recovery 8
Peptides studied in tissue-repair and recovery research. Read the Healing & Recovery research hub →
Ara-290
Synthetic erythropoietin-derived peptide (Cibinetide)An 11-amino-acid peptide derivative of erythropoietin studied in tissue-protective research.
BPC-157
Synthetic pentadecapeptideA 15-amino-acid synthetic peptide fragment studied for its purported role in tissue-repair research.
BPC-157 + TB-500 BlendBlend
Multi-component research blendA research-supplier blend pairing BPC-157 with TB-500, two peptides commonly studied together in tissue-repair research.
Glutathione
Endogenous antioxidant tripeptideA tripeptide antioxidant studied extensively in oxidative-stress and recovery research.
KLOW BlendBlend
Multi-component research blendA research-supplier blend referenced in recovery and inflammation research, combining multiple repair-related peptides.
KPV
Alpha-MSH-derived tripeptide fragmentA C-terminal tripeptide of α-MSH studied in inflammation and tissue-repair research.
LL-37
Cathelicidin antimicrobial peptideA human cathelicidin-derived antimicrobial peptide studied in immunology and tissue-repair research.
TB-500
Actin-binding peptide fragmentA synthetic fragment of Thymosin Beta-4 frequently studied alongside BPC-157 in repair-related research.
Cognitive & Nootropic 10
Peptides studied for cognitive and neurological research. Read the Cognitive & Nootropic research hub →
Adamax
Experimental nootropic / ampakine-class research compoundA synthetic peptide derivative referenced in cognitive and neurological research.
Cerebrolysin
Neurotrophic peptide preparation (porcine-brain-derived)A neuropeptide preparation studied in neurological research.
Dihexa
Synthetic angiotensin IV-derived oligopeptideA synthetic peptide studied in synaptogenesis and cognitive research.
DSIP
Endogenous neuropeptide (Delta Sleep-Inducing Peptide, nonapeptide)Delta sleep-inducing peptide, a nonapeptide studied in sleep and neurological research.
Oxytocin
Endogenous neurohormone (cyclic nonapeptide)A naturally occurring nonapeptide studied extensively in social-behavior and neuropeptide research.
P21
Neurogenic research peptide (Cerebrolysin/CNTF-related)A synthetic peptide studied in neurogenesis research.
PE-22-28
Spadin-derived synthetic peptide (TREK-1 channel blocker)A synthetic peptide analog of spadin referenced in mood and neuroplasticity research.
Pinealon
Short synthetic peptide bioregulator (tripeptide)A short synthetic tripeptide studied in neuroprotection and cellular-aging research.
Selank
Synthetic heptapeptide (tuftsin analog)A synthetic heptapeptide studied in anxiolytic and cognitive-research contexts.
Semax
Synthetic ACTH(4-10) analog (heptapeptide)A 7-amino-acid peptide studied in neuroprotection and cognitive research.
Longevity & Cellular 7
Peptides studied in cellular-aging and longevity research. Read the Longevity & Cellular research hub →
Epitalon
Synthetic tetrapeptide (pineal bioregulator)A synthetic tetrapeptide studied for its role in telomerase and aging research.
FOXO4-DRI
Senolytic peptideA synthetic peptide studied in senolytic and cellular-aging research.
Humanin
Mitochondrial-derived peptideA 24-amino-acid mitochondrial-derived peptide studied in cytoprotection and cellular-aging research.
NAD+
Cellular coenzyme (dinucleotide)A coenzyme studied extensively in cellular-energy and longevity research.
SS-31 (Elamipretide)
Mitochondria-targeted tetrapeptideA mitochondria-targeting tetrapeptide studied in cellular-energy and longevity research.
Thymalin
Thymic peptide fractionA thymic-derived peptide studied in immunomodulatory research.
Thymosin Alpha-1
Immunomodulatory peptide (thymic)A 28-amino-acid peptide studied in immune-modulation research.
Cosmetic & Dermal 8
Peptides studied in dermatological and cosmetic research contexts. Read the Cosmetic & Dermal research hub →
AHK-Cu
Copper-binding tripeptideA copper-binding tripeptide studied alongside GHK-Cu in dermal and follicular research contexts.
Argireline
Cosmetic signal peptideA hexapeptide studied in cosmetic muscle-relaxation research.
GHK-Cu
Copper-binding tripeptideA copper-binding tripeptide studied in dermal-research and tissue-remodeling contexts.
GLOW Blend (BPC-157 + TB-500 + GHK-Cu)Blend
Multi-component research blendA research-supplier blend combining BPC-157, TB-500, and GHK-Cu, three peptides referenced in dermal and tissue-repair research contexts.
Matrixyl
Cosmetic signal peptideA palmitoyl pentapeptide studied in collagen-research and topical applications.
Melanotan I
Melanocortin receptor agonistA synthetic analog of α-MSH studied in melanogenesis research, the earlier-generation counterpart to Melanotan II.
Melanotan II
Melanocortin receptor agonistA synthetic analog of α-MSH studied in melanogenesis research.
SNAP-8
Cosmetic signal peptideAn octapeptide studied in cosmetic-research and topical formulation contexts.
Metabolic & Mitochondrial 8
Peptides studied in fat-metabolism, weight-regulation, and mitochondrial research. Read the Metabolic & Mitochondrial research hub →
5-Amino-1MQ
Small-molecule NNMT inhibitorA small-molecule inhibitor of NNMT studied in fat-metabolism and mitochondrial research.
Adipotide (FTPP)
Modified GH-fragment peptideA pro-apoptotic peptidomimetic referenced in adipose-tissue and metabolic research literature.
AICAR
AMPK activator (small molecule)An AMP-activated protein kinase (AMPK) activator studied in exercise-mimetic and energy-metabolism research.
AOD-9604
Modified GH-fragment peptideA modified fragment of human growth hormone studied in lipolysis research.
HGH Fragment 176-191
Modified GH-fragment peptideA 16-amino-acid C-terminal fragment of human growth hormone studied in lipolysis-related research.
MOTS-c
Mitochondrial-derived peptideA mitochondrial-derived peptide studied in metabolic regulation and exercise research.
SLU-PP-332
Small-molecule ERR agonist (exercise mimetic)An ERR (estrogen-related receptor) agonist and exercise-mimetic compound referenced in metabolic research.
Vitamin B12 (Methylcobalamin)
Essential vitamin (cofactor)A water-soluble vitamin commonly referenced as an injectable in metabolic and energy research.
Hormonal & Sexual Health 6
Peptides studied in hormonal and reproductive-research contexts. Read the Hormonal & Sexual Health research hub →
Gonadorelin Acetate
GnRH analogA synthetic decapeptide form of gonadotropin-releasing hormone (GnRH) referenced in reproductive-endocrinology research.
HCG
GonadotropinHuman chorionic gonadotropin, a glycoprotein hormone studied in reproductive-endocrinology research.
HMG (Menotropin)
GonadotropinHuman Menopausal Gonadotropin — a mixture of FSH and LH referenced in reproductive-endocrinology research.
Kisspeptin-10
Neuropeptide hormoneA decapeptide studied in reproductive endocrinology research.
PT-141 (Bremelanotide)
Melanocortin receptor agonistA melanocortin-receptor agonist studied in neuropeptide research.
Triptorelin Acetate
GnRH analogA synthetic decapeptide GnRH agonist referenced in reproductive-research literature.
Specialty & Research 4
Specialty research peptides referenced in niche or emerging study areas. Read the Specialty & Research research hub →
ACE-031
Myostatin-pathway inhibitorA soluble activin receptor type-IIB fusion protein referenced in myostatin-pathway and muscle-research literature.
Follistatin 344
Myostatin-pathway inhibitorA 344-amino-acid isoform of follistatin referenced in myostatin-pathway and muscle-research literature.
PNC-27
p53-derived anticancer research peptideA synthetic peptide studied in cancer-research literature for its membrane-disrupting activity.
VIP
Neuropeptide hormoneVasoactive intestinal peptide, a 28-amino-acid neuropeptide studied across vascular and neurological research.
Research Solutions & Adjuncts 6
Solvents, reconstitution-related solutions, and adjunct compounds referenced alongside peptide research. Read the Research Solutions & Adjuncts research hub →
Acetic Acid Solution 1%
Reconstitution solventA dilute acetic acid solution referenced as a reconstitution solvent for select peptides with poor BAC-water solubility.
Bacteriostatic Water
Reconstitution diluentSterile water containing 0.9% benzyl alcohol, used to reconstitute lyophilized research peptides for in-vitro study.
L-Carnitine
Amino-acid derivativeA quaternary ammonium compound referenced as a metabolic adjunct in fatty-acid transport research.
Lemon Bottle Solution
Lipolytic cosmetic solutionAn injectable research solution referenced in lipolysis-related cosmetic-research literature. Adjunct, not a peptide.
Lipo-C Research Solution
Lipotropic research solutionAn injectable research solution combining lipotropic compounds, referenced in metabolic-research contexts. Not a peptide; included as an adjunct reference.
MIC Blend (Lipo-C + B12)Blend
Lipotropic research solutionA research-supplier adjunct blend combining lipotropic compounds with methylcobalamin, referenced in metabolic-research contexts.
A–Z Index
All 79 entries with compound class, category, and key specifications at a glance.
| Compound | Class | Category | Half-life | Molecular weight |
|---|---|---|---|---|
| 5-Amino-1MQ | Small-molecule NNMT inhibitor | Metabolic & Mitochondrial | — | ~159 g/mol (free base) |
| ACE-031 | Myostatin-pathway inhibitor | Specialty & Research | Long (Fc-fusion protein; days-to-weeks range typical of IgG1-Fc biologics) | ~80 kDa (glycosylated ActRIIB-Fc homodimer) |
| Acetic Acid Solution 1% | Reconstitution solvent | Research Solutions & Adjuncts | — | — |
| Adamax | Experimental nootropic / ampakine-class research compound | Cognitive & Nootropic | — | — |
| Adipotide (FTPP) | Modified GH-fragment peptide | Metabolic & Mitochondrial | — | ~2611 g/mol (approx. C152H252N44O42) |
| AHK-Cu | Copper-binding tripeptide | Cosmetic & Dermal | — | ~354 Da |
| AICAR | AMPK activator (small molecule) | Metabolic & Mitochondrial | ~90 min (plasma, parent riboside); intracellular ZMP sustains AMPK activation for several hours | ~258 g/mol |
| AOD-9604 | Modified GH-fragment peptide | Metabolic & Mitochondrial | ~20-40 minutes (reported) | ~1815 g/mol |
| Ara-290 | Synthetic erythropoietin-derived peptide (Cibinetide) | Healing & Recovery | ~2 minutes (plasma) | ~1257 Da |
| Argireline | Cosmetic signal peptide | Cosmetic & Dermal | — | ~889 g/mol |
| Bacteriostatic Water | Reconstitution diluent | Research Solutions & Adjuncts | — | — |
| BPC-157 | Synthetic pentadecapeptide | Healing & Recovery | <30 minutes (elimination, reported in rats/dogs) | 1419.5 Da |
| BPC-157 + TB-500 Blend | Multi-component research blend | Healing & Recovery | — | — |
| Cagrilintide | Long-acting amylin receptor agonist (amylin analog) | GLP-1 Family | ~7 days | ~3731 g/mol |
| Cagrisema (Cagrilintide + Semaglutide) | Fixed-combination amylin analog plus GLP-1 receptor agonist | GLP-1 Family | ~7 days (both components) | — |
| Cerebrolysin | Neurotrophic peptide preparation (porcine-brain-derived) | Cognitive & Nootropic | ~2-4 hours (peptide fraction; mixture) | — |
| CJC-1295 | GHRH analog (long-acting, with Drug Affinity Complex / DAC) | Growth & GH-Axis | Substantially extended vs native GHRH; reported on the order of days (approximately 6-8 days) due to albumin binding via DAC | Approximately 3647 g/mol (with DAC linker) |
| CJC-1295 (No DAC) | GHRH analog (short-acting modified GHRH(1-29), aka Mod GRF 1-29) | Growth & GH-Axis | Short, on the order of tens of minutes (reported approximately 30 minutes), longer than native GHRH but far shorter than the DAC version | Approximately 3368 g/mol |
| CJC-1295 + Ipamorelin Blend | Combination product: GHRH analog (CJC-1295) + GHRP/ghrelin-receptor agonist (ipamorelin) | Growth & GH-Axis | — | — |
| Dihexa | Synthetic angiotensin IV-derived oligopeptide | Cognitive & Nootropic | — | 504.7 g/mol |
| DSIP | Endogenous neuropeptide (Delta Sleep-Inducing Peptide, nonapeptide) | Cognitive & Nootropic | ~7 minutes (serum) | 848.8 g/mol |
| Dulaglutide | GLP-1 receptor agonist | GLP-1 Family | ~5 days | ~59700 g/mol |
| Epitalon | Synthetic tetrapeptide (pineal bioregulator) | Longevity & Cellular | — | 390.35 g/mol |
| Follistatin 344 | Myostatin-pathway inhibitor | Specialty & Research | — | ~37,800 Da (mature glycoprotein isoform) |
| FOXO4-DRI | Senolytic peptide | Longevity & Cellular | — | — |
| GHK-Cu | Copper-binding tripeptide | Cosmetic & Dermal | — | 340.4 Da |
| GHRP-2 | Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist | Growth & GH-Axis | Short, on the order of tens of minutes (reported approximately 30-60 minutes) | 817.0 g/mol |
| GHRP-6 | Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist | Growth & GH-Axis | Short, on the order of tens of minutes (reported approximately 15-60 minutes) | 873.0 g/mol |
| GLOW Blend (BPC-157 + TB-500 + GHK-Cu) | Multi-component research blend | Cosmetic & Dermal | — | — |
| Glutathione | Endogenous antioxidant tripeptide | Healing & Recovery | ~15 minutes (plasma, after IV) | 307.32 g/mol |
| Gonadorelin Acetate | GnRH analog | Hormonal & Sexual Health | ~2-10 min (distribution); ~10-40 min (terminal) | ~1182 g/mol |
| HCG | Gonadotropin | Hormonal & Sexual Health | ~30 hours (terminal) | ~36,700 Da (glycoprotein heterodimer) |
| Hexarelin | Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist | Growth & GH-Axis | Short, on the order of tens of minutes (reported approximately 55 minutes) | 887.0 g/mol |
| HGH Fragment 176-191 | Modified GH-fragment peptide | Metabolic & Mitochondrial | ~15-20 minutes (reported) | ~1817 g/mol |
| HMG (Menotropin) | Gonadotropin | Hormonal & Sexual Health | FSH component ~30 h; LH component ~24 h | — |
| Humanin | Mitochondrial-derived peptide | Longevity & Cellular | — | 2687 g/mol (approx., 24-aa form) |
| IGF-1 DES | IGF-1 analog (truncated des(1-3) IGF-1 variant) | Growth & GH-Axis | Very short in circulation (minutes), reflecting IGF-1's rapid clearance when not bound to IGFBPs | Approximately 7372 g/mol |
| IGF-1 LR3 | IGF-1 analog (Long R3 IGF-1 variant) | Growth & GH-Axis | Substantially longer than native IGF-1; reported on the order of many hours (approximately 20-30 hours) due to reduced IGFBP binding | Approximately 9111 g/mol |
| Ipamorelin | Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist | Growth & GH-Axis | ~2 hours (reported approximately 120 minutes) | 711.9 g/mol |
| Kisspeptin-10 | Neuropeptide hormone | Hormonal & Sexual Health | ~4 minutes (IV bolus, human) | ~1302 g/mol |
| KLOW Blend | Multi-component research blend | Healing & Recovery | — | — |
| KPV | Alpha-MSH-derived tripeptide fragment | Healing & Recovery | — | 342.43 g/mol |
| L-Carnitine | Amino-acid derivative | Research Solutions & Adjuncts | — | ~161 g/mol |
| Lemon Bottle Solution | Lipolytic cosmetic solution | Research Solutions & Adjuncts | — | — |
| Lipo-C Research Solution | Lipotropic research solution | Research Solutions & Adjuncts | — | — |
| Liraglutide | GLP-1 receptor agonist | GLP-1 Family | ~13 hours | 3751.2 g/mol |
| LL-37 | Cathelicidin antimicrobial peptide | Healing & Recovery | — | ~4493 Da |
| Matrixyl | Cosmetic signal peptide | Cosmetic & Dermal | — | ~802 Da |
| Mazdutide | Dual GLP-1/glucagon receptor agonist | GLP-1 Family | — | — |
| Melanotan I | Melanocortin receptor agonist | Cosmetic & Dermal | ~0.8-1.7 h (free peptide, SC beta-phase); ~15 h apparent for the Scenesse implant | ~1646 g/mol |
| Melanotan II | Melanocortin receptor agonist | Cosmetic & Dermal | ~30-60 minutes (plasma, subcutaneous) | ~1024 g/mol |
| MIC Blend (Lipo-C + B12) | Lipotropic research solution | Research Solutions & Adjuncts | — | — |
| MK-677 (Ibutamoren) | Orally active non-peptide growth-hormone secretagogue (ghrelin-receptor agonist) | Growth & GH-Axis | Approximately 24 hours (supports once-daily dosing in studies) | 624.8 g/mol (free base); approximately 936.2 g/mol as the mesylate salt |
| MOTS-c | Mitochondrial-derived peptide | Metabolic & Mitochondrial | — | ~2174 g/mol |
| NAD+ | Cellular coenzyme (dinucleotide) | Longevity & Cellular | — | 663.43 g/mol (free acid) |
| Oxytocin | Endogenous neurohormone (cyclic nonapeptide) | Cognitive & Nootropic | Approximately a few minutes in circulation | 1007.2 g/mol |
| P21 | Neurogenic research peptide (Cerebrolysin/CNTF-related) | Cognitive & Nootropic | — | — |
| PE-22-28 | Spadin-derived synthetic peptide (TREK-1 channel blocker) | Cognitive & Nootropic | — | 773.9 g/mol |
| PEG-MGF | IGF-1 splice variant analog (PEGylated Mechano Growth Factor) | Growth & GH-Axis | Extended relative to unmodified MGF due to PEGylation (reported on the order of days), though precise values are not well established | ~2867 Da (peptide core, excluding PEG) |
| Pinealon | Short synthetic peptide bioregulator (tripeptide) | Cognitive & Nootropic | — | 418.4 g/mol |
| PNC-27 | p53-derived anticancer research peptide | Specialty & Research | — | — |
| PT-141 (Bremelanotide) | Melanocortin receptor agonist | Hormonal & Sexual Health | ~2.5 hours (subcutaneous) | ~1025 g/mol |
| Retatrutide | Triple GIP/GLP-1/glucagon receptor agonist | GLP-1 Family | ~6 days | ~4731 g/mol |
| Selank | Synthetic heptapeptide (tuftsin analog) | Cognitive & Nootropic | ~2-30 minutes (plasma; short, effects outlast) | 751.9 g/mol |
| Semaglutide | GLP-1 receptor agonist | GLP-1 Family | ~7 days | 4113.6 g/mol |
| Semax | Synthetic ACTH(4-10) analog (heptapeptide) | Cognitive & Nootropic | ~2-5 minutes (plasma) | 813.9 g/mol |
| Sermorelin | GHRH analog (growth-hormone-releasing hormone analog) | Growth & GH-Axis | Short, on the order of minutes (reported approximately 10-20 minutes) | 3357.9 g/mol |
| SLU-PP-332 | Small-molecule ERR agonist (exercise mimetic) | Metabolic & Mitochondrial | — | ~290.3 g/mol (C18H14N2O2, CAS 303760-60-3) |
| SNAP-8 | Cosmetic signal peptide | Cosmetic & Dermal | — | ~1075 Da |
| SS-31 (Elamipretide) | Mitochondria-targeted tetrapeptide | Longevity & Cellular | — | 639.8 g/mol (approx.) |
| Survodutide | Dual GLP-1/glucagon receptor agonist | GLP-1 Family | ~6-7 days (~120-170 hours) | — |
| TB-500 | Actin-binding peptide fragment | Healing & Recovery | ~2-3 hours (elimination); tissue effects reported to persist for days | ~4921 Da (full-length thymosin beta-4); ~889 Da for the Ac-LKKTETQ fragment form |
| Tesamorelin | GHRH analog (stabilized long-acting GHRH(1-44) analog) | Growth & GH-Axis | Short in circulation (reported approximately 26-38 minutes) despite chronic dosing effects | Approximately 5136 g/mol |
| Thymalin | Thymic peptide fraction | Longevity & Cellular | — | — |
| Thymosin Alpha-1 | Immunomodulatory peptide (thymic) | Longevity & Cellular | ~2 hours (circulating) | 3108 g/mol (approx.) |
| Tirzepatide | Dual GIP/GLP-1 receptor agonist | GLP-1 Family | ~5 days | 4813.5 g/mol |
| Triptorelin Acetate | GnRH analog | Hormonal & Sexual Health | ~3 hours (free peptide, IV); depot forms release over weeks to months | ~1311 g/mol |
| VIP | Neuropeptide hormone | Specialty & Research | ~1-2 minutes (native VIP, plasma) | ~3326 g/mol |
| Vitamin B12 (Methylcobalamin) | Essential vitamin (cofactor) | Metabolic & Mitochondrial | — | ~1355 g/mol (cyanocobalamin) |
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