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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
Glutathione
Anti-Aging
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: 137
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Peptide Comparison

AdipotidevsRetatrutide

A targeted fat-destroying peptide that works like a smart missile, cutting off blood supply to fat cells and causing rapid weight loss in primate studies.

The world's first triple-action weight loss peptide that simultaneously activates three hormone receptors—GIP, GLP-1, and glucagon—delivering unprecedented weight loss results of up to 24% body weight in clinical trials.

Weight ManagementWeight Management

At a Glance

Quick
comparison

Dose Range

Adipotide

0.1–0.43 mg/kg

Retatrutide

1–12 mg

Frequency

Adipotide

Once daily

Retatrutide

Once weekly

Administration

Adipotide

Subcutaneous injection

Retatrutide

Subcutaneous injection

Cycle Length

Adipotide

4-6 weeks

Retatrutide

12+ weeks

Onset Speed

Adipotide

Moderate (1-2 weeks)

Retatrutide

Moderate (1-2 weeks)

Evidence Level

Adipotide

Strong preclinical (extensive animal studies)

Retatrutide

Moderate human trials (Phase 1-2)

Efficacy

Benefit
ratings

Adipotide
Retatrutide

Fat Elimination

Adipotide95%
Retatrutide0%

Metabolic Improvement

Adipotide88%
Retatrutide0%

Speed of Results

Adipotide92%
Retatrutide0%

Weight Loss Power

Adipotide0%
Retatrutide98%

Metabolic Health

Adipotide0%
Retatrutide95%

Appetite Control

Adipotide0%
Retatrutide94%

Technical Data

Compound
specifications

Adipotide

Molecular Formula

C111H206N36O28S2

Molecular Weight

2611.41 g/mol

Half-Life

~24 hours

Bioavailability

High (subcutaneous injection)

CAS Number

859216-15-2

Retatrutide

Molecular Formula

C221H342N46O68

Molecular Weight

4731 g/mol

Half-Life

~6 days (allows once-weekly dosing)

Bioavailability

High via subcutaneous injection

CAS Number

2381089-83-2

Protocols

Dosing
tiers

Adipotide

starting

0.10 mg/kg

Once daily

About 2 weeks before stepping up

Adipotide is research-only and has never been approved for people. These numbers come from a dose-finding study in obese monkeys, where the dose was raised step by step every 2 weeks. The first human Phase 1 study started even lower, at 0.03 mg/kg daily. [2]

standard

0.25 mg/kg

Once daily

About 2 weeks at this step

Middle step in the monkey dose-finding study. Not an approved human dose. [2]

advanced

0.43 mg/kg

Once daily

Up to ~3-4 weeks at this level (studies ran 28 days at the top dose)

This was the best-working ("optimal") dose in obese monkeys, leading to about 10.6% body-weight loss over 28 days. It is from animal research and is not an approved or established human dose. [2]

Retatrutide

starting

2 mg

Once weekly

Weeks 1-4 (then escalate 2 mg every 4 weeks)

Phase 2 obesity trial initiated higher-dose arms at 2 mg weekly with stepwise 2 mg increases every 4 weeks to limit GI effects [1].

standard

4-8 mg

Once weekly

Maintenance after titration

Mid-range maintenance doses; 8 mg produced ~22% mean weight loss at 48 weeks in the phase 2 trial [1][3].

advanced

12 mg

Once weekly

Maintenance (highest studied)

Highest studied dose; produced ~24% mean weight reduction at 48 weeks [1][2]. Still investigational (not FDA-approved).

Applications

Best
suited for

Adipotide

Targeted White Fat Reduction

Adipotide specifically seeks out and destroys the blood vessels feeding white adipose tissue. Unlike diet or exercise that shrink fat cells, this peptide actually eliminates fat tissue by cutting off its blood supply - a completely unique mechanism.

Stubborn Fat Deposits

Because it targets the vasculature of fat tissue directly, Adipotide may be particularly effective for stubborn fat deposits that resist traditional methods. The peptide homes in on prohibitin receptors found specifically on blood vessels supplying fat tissue.

Improving Insulin Resistance

Primate studies showed remarkable improvements in insulin sensitivity - treated monkeys used about 50% less insulin after treatment. This makes it interesting for research into obesity-related metabolic dysfunction.

Research Applications

As a pioneering vascular-targeting peptide, Adipotide represents a new class of potential therapeutics. Its unique mechanism of targeting specific tissue vasculature has implications beyond obesity research.

Retatrutide

Significant Obesity Management

If you need to lose a substantial amount of weight, retatrutide is showing unprecedented results. Phase 2 trials demonstrated average weight loss of 24% at the highest dose—that's nearly 60 pounds for someone weighing 250 lbs. No other medication has matched this.

Type 2 Diabetes with Obesity

Retatrutide tackles both problems at once. It dramatically improves blood sugar control (HbA1c reductions of up to 2%) while delivering major weight loss. The dual benefit makes it especially valuable for diabetics struggling with weight.

Metabolic Syndrome Warriors

If you're dealing with the cluster of issues that includes high blood sugar, excess belly fat, abnormal cholesterol, and high blood pressure, retatrutide's triple mechanism attacks multiple aspects of metabolic dysfunction simultaneously.

Fatty Liver Disease (MASLD)

Early research shows retatrutide may significantly reduce liver fat. For people with non-alcoholic fatty liver disease, this peptide offers hope through weight loss plus direct metabolic improvements that benefit liver health.

Safety Profile

Side
effects

Adipotide

Common

  • Elevated Serum Creatinine
  • Proteinuria
  • Glucosuria
  • Reduced Appetite

Uncommon

  • Mild Dehydration
  • Injection Site Reactions

Serious

  • Renal Tubular Dysfunction

Retatrutide

Common

  • Nausea
  • Diarrhea
  • Constipation
  • Decreased appetite

Uncommon

  • Increased heart rate
  • Injection site reactions

Serious

  • Pancreatitis
  • Gallbladder problems

Research Status

Safety
& evidence

Adipotide

Evidence Level

Strong preclinical (extensive animal studies)

FDA Status

Research compound

Safety Overview

Adipotide has been extensively studied in mice, rats, and three species of primates with consistent results. The primary safety concern is dose-dependent kidney effects, which were reversible upon stopping treatment in all studies. No cardiovascular, neurological, or hepatic adverse events were observed. The compound shows remarkable selectivity - lean animals given the same doses experienced no weight loss, suggesting it specifically targets excess fat tissue.

Contraindications

  • xKidney disease or impaired renal function
  • xPregnancy or breastfeeding
  • xActive infections or compromised immune system
  • xHistory of severe allergic reactions to peptides
  • xDehydration or conditions affecting fluid balance

Retatrutide

Evidence Level

Moderate human trials (Phase 1-2)

FDA Status

Research compound

Safety Overview

Retatrutide has shown a generally favorable safety profile in Phase 1 and Phase 2 clinical trials involving over 600 participants. Most side effects are gastrointestinal and tend to improve over time. The medication appears well-tolerated when doses are increased gradually. No major safety signals have emerged, but larger Phase 3 trials are still ongoing.

Contraindications

  • xPersonal or family history of medullary thyroid carcinoma (MTC)
  • xMultiple Endocrine Neoplasia syndrome type 2 (MEN 2)
  • xPregnancy or planning to become pregnant
  • xHistory of severe pancreatitis
  • xKnown allergy to GLP-1 receptor agonists

Decision Guide

Which is
right for you?

Choose Adipotide if...

  • Targeted fat reduction
  • Improving insulin resistance
  • Reducing stubborn white adipose tissue
  • Research into vascular-targeted therapies

Choose Retatrutide if...

  • Significant weight loss
  • Type 2 diabetes management
  • Metabolic health improvement
  • Body composition optimization
Adipotide vs Retatrutide — Peptide Comparison | Peptide Initiative