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Peptide Database

Goals
Fat LossMuscle BuildingInjury HealingAnti-AgingCognitive EnhancementSleep OptimizationImmune SupportGut HealingSkin RejuvenationSexual Health
Peptides
Abarelix
Hormone Support
Acetyl Hexapeptide-3 (Argireline)
Cosmetic
Adipotide
Weight Management
Adrenomedullin
Healing & Recovery
Alexamorelin
Growth Hormone
Angiotensin (1-7)
Healing & Recovery
AOD-9604
Weight Management
Apelin-13
Healing & Recovery
ARA-290 (Cibinetide)
Healing & Recovery
Bestatin (Ubenimex)
Immune
BPC-157
Healing & Recovery
Buserelin
Hormone Support
Cagrilintide
Weight Management
Capromorelin
Growth Hormone
Cartalax
Anti-Aging
Cathelicidin (hCAP-18 / Synthetic Derivatives)
Immune
Cerebrolysin
Cognitive
Cerluten
Cognitive
Cetrorelix
Hormone Support
Chonluten
Immune
CJC-1295 (No DAC)
Growth Hormone
CJC-1295 with DAC
Growth Hormone
Copper Tripeptide-1 (GHK-Cu)
Cosmetic
Cortexin
Cognitive
Crystagen
Immune
Daptomycin
Immune
Defensin (HBD-2)
Immune
Defensin (HBD-3)
Immune
Degarelix
Hormone Support
Dihexa
Cognitive
DSIP (Delta Sleep-Inducing Peptide)
Sleep & Recovery
Dulaglutide
Weight Management
Enalapril
Healing & Recovery
Epithalon
Anti-Aging
Exenatide
Weight Management
Fertirelin
Hormone Support
FOXO4-DRI
Anti-Aging
Ganirelix
Hormone Support
GHK-Cu
Cosmetic
GHRH (1-29)
Growth Hormone
GHRP-2
Growth Hormone
GHRP-6 (Growth Hormone Releasing Peptide-6)
Growth Hormone
Gonadorelin (GnRH)
Hormone Support
Gramicidin
Immune
Hexarelin
Growth Hormone
Human Chorionic Gonadotropin (HCG)
Hormone Support
Human Growth Hormone (HGH)
Growth Hormone
IGF-1 LR3
Growth Hormone
Immunoxel (Dzherelo)
Immune
Imunofan
Immune
Intermedin (Adrenomedullin-2)
Healing & Recovery
Ipamorelin
Growth Hormone
Kisspeptin-10
Sexual Health
KPV (Alpha-MSH Fragment)
Healing & Recovery
Lactoferricin B
Immune
Larazotide
Healing & Recovery
Lentinan
Immune
Leuphasyl
Cosmetic
Leuphasyl
Cosmetic
Leuprolide
Hormone Support
Liraglutide
Weight Management
Livagen
Anti-Aging
Lixisenatide
Weight Management
LL-37
Immune
Macimorelin
Growth Hormone
Magainin-2
Immune
Mazdutide
Weight Management
Melanotan-2
Cosmetic
MK-677 (Ibutamoren)
Growth Hormone
MOTS-c
Metabolic
Myristoyl Pentapeptide-17
Cosmetic
N-Acetyl Selank
Cognitive
N-Acetyl Semax Amidate
Cognitive
NAD+
Mitochondrial
Nafarelin
Hormone Support
Natriuretic Peptide (ANP)
Healing & Recovery
Nesiritide (BNP)
Healing & Recovery
Nisin
Immune
Noopept (Omberacetam)
Cognitive
Orforglipron
Weight Management
Ovagen
Anti-Aging
Oxytocin Acetate
Hormone Support
P21 (P021)
Cognitive
PACAP-38
Healing & Recovery
Palmitoyl Oligopeptide
Cosmetic
Palmitoyl Pentapeptide-4 (Matrixyl)
Cosmetic
Palmitoyl Tetrapeptide-7
Cosmetic
Palmitoyl Tripeptide-1
Cosmetic
Pancragen
Metabolic
PEG-MGF
Healing & Recovery
Pemvidutide
Weight Management
Pentadecapeptide (BPC Analog)
Healing & Recovery
Pidotimod
Immune
Pinealon
Cognitive
PNC-27
Immune
Polymyxin B
Immune
Pralmorelin (GHRP-2)
Growth Hormone
Pramlintide
Weight Management
Prostamax
Hormone Support
PT-141 (Bremelanotide)
Sexual Health
Relaxin-2 (Serelaxin)
Healing & Recovery
Retatrutide
Weight Management
Selank
Cognitive
Semaglutide
Weight Management
Semax
Cognitive
Sermorelin
Growth Hormone
Setmelanotide
Weight Management
SLU-PP-332
Metabolic
SM-130686
Growth Hormone
Snap-8
Cosmetic
SS-31 (Elamipretide)
Mitochondrial
Substance P Antagonists
Healing & Recovery
Survodutide
Weight Management
SYN-AKE
Cosmetic
Tabimorelin
Growth Hormone
TB-500
Healing & Recovery
Tesamorelin
Growth Hormone
Testagen
Hormone Support
Thymalin
Immune
Thymopentin (TP-5)
Immune
Thymopoietin
Immune
Thymosin Alpha-1
Immune
Thymosin Beta-4
Healing & Recovery
Thymulin (FTS)
Immune
Thymulin Analog (PAT)
Healing & Recovery
Tirzepatide
Weight Management
Tripeptide-29
Cosmetic
Triptorelin
Hormone Support
Ularitide
Healing & Recovery
Urocortin
Healing & Recovery
Ventfort
Anti-Aging
Vesilute
Hormone Support
Vilon
Immune
VIP (Vasoactive Intestinal Peptide)
Healing & Recovery
Xenin-25
Metabolic
Ziconotide (Prialt)
Healing & Recovery
Total Peptides: 136
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Peptide Comparison

MOTS-cvsEpithalon

A remarkable 16-amino-acid peptide encoded by your mitochondrial DNA that acts as an 'exercise mimetic'—boosting metabolism, improving insulin sensitivity, and helping your cells adapt to metabolic stress just like a good workout would.

A tiny but mighty four-amino-acid peptide that activates your body's telomerase enzyme—essentially helping your cells hit the 'reset' button on aging by protecting and lengthening the protective caps on your chromosomes.

MetabolicAnti-Aging

At a Glance

Quick
comparison

Dose Range

MOTS-c

5–15 mg

Epithalon

5–10 mg

Frequency

MOTS-c

Once daily

Epithalon

Once daily

Administration

MOTS-c

Subcutaneous injection

Epithalon

Subcutaneous injection

Cycle Length

MOTS-c

4-6 weeks

Epithalon

4-6 weeks

Onset Speed

MOTS-c

Moderate (1-2 weeks)

Epithalon

Gradual (3-4 weeks)

Evidence Level

MOTS-c

Strong preclinical (extensive animal studies)

Epithalon

Limited human trials

Efficacy

Benefit
ratings

MOTS-c
Epithalon

Metabolic Enhancement

MOTS-c95%
Epithalon0%

Insulin Sensitivity

MOTS-c92%
Epithalon0%

Mitochondrial Function

MOTS-c90%
Epithalon0%

Telomere Protection

MOTS-c0%
Epithalon95%

Sleep Quality

MOTS-c0%
Epithalon88%

Cellular Longevity

MOTS-c0%
Epithalon92%

Technical Data

Compound
specifications

MOTS-c

Molecular Formula

C101H152N28O22S2

Molecular Weight

2174.64 g/mol

Half-Life

Approximately 4-8 hours (estimated from preclinical data)

Bioavailability

High when injected subcutaneously

CAS Number

1627580-64-6

Epithalon

Molecular Formula

C14H22N4O9

Molecular Weight

390.35 g/mol

Half-Life

2-4 hours (estimated)

Bioavailability

High when injected subcutaneously

CAS Number

307297-39-8

Protocols

Dosing
tiers

MOTS-c

starting

5 mg

Once daily

1-2 weeks

Start here to assess your tolerance. MOTS-c is a relatively new research peptide, so beginning conservatively makes sense. Inject in the morning to align with natural metabolic rhythms.

standard

10 mg

Once daily

4-6 weeks

The most commonly used dose in research settings. Studies in mice translate to roughly this range for humans (though human dosing is still being established). Best taken in the morning before or after light exercise.

advanced

15 mg

Once daily

4-6 weeks

Higher doses used in some research protocols. Human dosing data is limited, so this should only be considered by experienced users under guidance. Monitor blood glucose carefully.

Epithalon

starting

5 mg

Once daily

10 days

This is the classic Russian protocol starting point. Inject once daily for 10 consecutive days, then take a 3-6 month break before your next cycle. Think of it as a 'cellular tune-up' you do a couple times per year.

standard

10 mg

Once daily

10-20 days

The most commonly used protocol in research settings. Some people split this into two cycles per year (10 days each) or do one longer 20-day cycle annually. Both approaches have been studied.

advanced

10 mg

Once daily

20-30 days

Extended protocols for those with established tolerance. Some research has used up to 30 consecutive days. Longer doesn't always mean better—the key is consistency over years, not cramming in more per cycle.

Applications

Best
suited for

MOTS-c

Metabolic Health Optimizers

If you're looking to improve how your body handles glucose and energy, MOTS-c directly targets these systems. It's like giving your cells a metabolic tune-up, helping them respond better to insulin and process sugar more efficiently—key factors for long-term health.

Those Seeking Exercise-Like Benefits

Nicknamed an 'exercise mimetic,' MOTS-c activates many of the same pathways that get turned on during physical activity. While it's not a replacement for actual exercise, it may help enhance the benefits you get from working out or provide some metabolic support when exercise is limited.

Weight Management Seekers

Animal studies show impressive prevention of diet-induced obesity. While human data is still emerging, MOTS-c's effects on fat metabolism and insulin sensitivity suggest potential benefits for those working on healthy weight management alongside diet and exercise.

Healthy Aging Enthusiasts

MOTS-c levels naturally decline with age, which may contribute to age-related metabolic problems. Supplementing may help restore more youthful metabolic function, supporting the body's ability to regulate energy and maintain muscle mass as we get older.

Epithalon

Longevity Enthusiasts

If you're serious about healthy aging and want to support your cells at the deepest level, Epithalon targets one of the fundamental mechanisms of cellular aging—telomere shortening. It's like giving your cells' protective caps a little extra reinforcement.

Sleep Quality Seekers

Epithalon helps regulate melatonin production by supporting your pineal gland. Many users report better sleep quality and more consistent sleep-wake cycles, especially those who've noticed their sleep getting worse with age.

Those Concerned About Oxidative Stress

Beyond its telomere effects, Epithalon acts as an antioxidant. If you're exposed to environmental stressors, have a demanding lifestyle, or simply want extra cellular protection, this peptide offers multiple mechanisms of support.

Immune System Support (Age-Related)

As we age, our immune system naturally weakens—a process called immunosenescence. Research suggests Epithalon may help maintain immune function by supporting the thymus and immune cell health, potentially keeping your defenses stronger as you age.

Safety Profile

Side
effects

MOTS-c

Common

  • Injection site redness
  • Mild fatigue
  • Mild headache

Uncommon

  • Changes in appetite
  • Mild hypoglycemia symptoms

Serious

  • Allergic reaction

Epithalon

Common

  • Injection site redness
  • Mild headache
  • Temporary fatigue

Uncommon

  • Vivid dreams
  • Sleep pattern changes

Serious

  • Allergic reaction

Research Status

Safety
& evidence

MOTS-c

Evidence Level

Strong preclinical (extensive animal studies)

FDA Status

Research compound

Safety Overview

MOTS-c has shown an excellent safety profile in preclinical studies, with extensive animal research demonstrating beneficial effects without significant adverse events. The peptide is naturally produced by your own mitochondria, which suggests inherent compatibility with human biology. However, human clinical trial data is still limited, so caution is warranted. Most reported experiences involve minimal side effects, primarily mild injection site reactions.

Contraindications

  • xPregnancy or planning to become pregnant
  • xCurrently breastfeeding
  • xActive cancer or history of cancer
  • xKnown allergy to peptide components
  • xChildren and adolescents

Epithalon

Evidence Level

Limited human trials

FDA Status

Research compound

Safety Overview

Epithalon has shown a favorable safety profile across decades of research, primarily conducted in Russia. Studies spanning up to 15 years of follow-up have reported no severe adverse events in older adults using Epithalon or its natural precursor Epithalamin. The peptide appears well-tolerated with minimal side effects, mostly limited to mild injection site reactions. However, large-scale clinical trials outside of Russia are still needed.

Contraindications

  • xPregnancy or planning to become pregnant
  • xCurrently breastfeeding
  • xActive cancer or history of cancer
  • xKnown allergy to peptide components
  • xChildren and adolescents

Decision Guide

Which is
right for you?

Choose MOTS-c if...

  • Metabolic health optimization
  • Insulin sensitivity improvement
  • Weight management support
  • Mitochondrial function enhancement

Choose Epithalon if...

  • Longevity and healthy aging
  • Cellular rejuvenation
  • Sleep quality improvement
  • Antioxidant support
MOTS-c vs Epithalon — Peptide Comparison | Peptide Initiative