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Best Compounds for Muscle Growth (2026) | Peptide Database

42 compounds ranked for muscle growth. Peptides studied for lean mass development, muscle protein synthesis, and body composition. Evidence-based ranking from research data.

Context first

Study findings do not automatically establish clinical benefit, safety, dosing, or suitability for an individual.

HGH

Human Growth Hormone | Somatropin

IGF-1 LR3

Modified Growth Factor Analog | Muscle Growth

MK-677

Ghrelin Receptor Agonist | Oral Growth Hormone Secretagogue

Testosterone

Anabolic-Androgenic Steroid | Primary Male Sex Hormone

Tesamorelin

GHRH Analog | Visceral Fat Reduction

Dianabol

Oral Anabolic Steroid | Classic Mass Builder

Trenbolone

19-Nor Anabolic-Androgenic Steroid | Potent Recomposition Agent

Anadrol

Oral Anabolic Steroid | Extreme Mass & Strength

Boldenone

Anabolic-Androgenic Steroid | Lean Mass & Vascularity

ACE-031

Myostatin Inhibitor | Experimental Muscle Growth

GHRP-6

Growth Hormone Releasing Peptide-6 | Hexapeptide GHS

Nandrolone

Anabolic-Androgenic Steroid | Joint & Collagen Support

Sermorelin

GHRH Analog | Growth Hormone Releasing Hormone

Primobolan

Anabolic Steroid | Lean Mass & Low Side Effect Profile

Erythropoietin (EPO)

EPO | Red Blood Cell Stimulating Hormone

IGF-1 DES

Truncated IGF-1 Analog | Localized Muscle Growth

MGF

Mechano Growth Factor | IGF-1 Splice Variant

PEG-MGF

Pegylated Mechano Growth Factor | IGF-1 Splice Variant

MENT

19-Nor Anabolic Steroid | Experimental TRT Alternative

MK-2866

Selective Androgen Receptor Modulator | Muscle Wasting Research

DHB

Injectable Anabolic Steroid | Lean Mass Alternative to Primobolan

Liothyronine (T3)

Thyroid Hormone | Metabolic Optimization

GHRP-2

Growth Hormone Releasing Peptide-2 | Pralmorelin

Oxandrolone

Oral Anabolic Steroid | Lean Mass & Recovery

LGD-4033

Selective Androgen Receptor Modulator | Lean Mass

CJC-1295 with DAC

Long-Acting Growth Hormone Releasing Hormone Analog | Extended Release

Ipamorelin

Growth Hormone Secretagogue | Selective GHRP

MOTS-c

Mitochondrial-Derived Peptide | Metabolic Regulator

Proviron

DHT Derivative | Mood, Libido & Muscle Hardening

RAD-140

Selective Androgen Receptor Modulator | Investigational SARM

Tadalafil

PDE5 Inhibitor | Erectile Function & Blood Flow

Metformin

Biguanide | AMPK Activator & Longevity Research

Bromantane

Actoprotector | Dopamine Upregulation & Adaptive Energy

Masteron

DHT-Derived Anabolic Steroid | Hardening & Anti-Estrogenic

Sildenafil

PDE5 Inhibitor | Erectile Function & Pulmonary Hypertension

SLU-PP-332

Synthetic Pan-ERR Agonist | Exercise Mimetic & Metabolic Modulator

Turinabol

Oral Anabolic Steroid | Lean Gains & Athletic Performance

NMN

NAD+ Precursor | Cellular Energy & Longevity

AICAR

5-Aminoimidazole-4-carboxamide Ribonucleotide | AMPK Activator

L-Carnitine

Amino Acid Derivative | Fatty Acid Transporter

YK-11

Myostatin Inhibitor & SARM Hybrid | Experimental

Ecdysterone

Phytoecdysteroid | Natural Anabolic & Performance Enhancer

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