PeptidePros
All Peptides

Research Hub

Muscle & Performance

Explore compounds researched for muscle retention, anabolic signaling, training recovery, and performance-oriented GH-axis support.

muscle gainstrength supporttraining outputlean-mass focus
12
Peptides
3
Vendors
4
Guides
$600.00
Cycle cost

Overview

Explore compounds researched for muscle retention, anabolic signaling, training recovery, and performance-oriented GH-axis support.

Peptides tracked

12 of 46 published compounds

Cycle cost

$600.00

Goals covered

Muscle Growth & Strength, GH Axis Optimization

Outcomes

muscle gain, strength support, training output, lean-mass focus

Goal hub next step

Build a muscle & performance research path.

Use the quiz before choosing a compound, vendor, or PDF so the route reflects your goal, risk tolerance, and monitoring comfort.

Best options to research first

Ranked by evidence first, then risk. A research starting point, not a clinical recommendation.

Compare top

Tesamorelin

FDA-approved GHRH analogue for HIV-associated lipodystrophy. Prescription only.

Tier Alow riskadvanced
Routes

subcutaneous

Timeline

Clinical endpoints assessed at 26 weeks in pivotal studies.

Cycle cost

$600.00

Vendor listings

3 tracked

Sermorelin

GHRH(1-29) analogue that stimulates pulsatile GH secretion, historically used in clinical settings.

Tier Bmedium riskintermediate
Routes

subcutaneous

Timeline

GH secretion changes occur acutely; body composition endpoints are months-horizon.

Cycle cost

$480.00

Vendor listings

1 tracked

CJC-1295

Long-acting GHRH analogue studied in human trials for sustained GH/IGF-1 elevation.

Tier Bhigh riskintermediate
Routes

subcutaneous

Timeline

Biomarker effects persist multiple days; IGF-1 elevations up to ~2 weeks after single dose.

Cycle cost

$143.98

Vendor listings

3 tracked

GHRP-2

GH secretagogue studied in human stimulation tests with documented endocrine spillover effects.

Tier Bhigh riskintermediate
Routes

intravenous, subcutaneous

Timeline

Acute hormone response within minutes to hours in stimulation tests.

Vendor listings

0 tracked

GHRP-6

GH secretagogue with phase I PK data in humans. FDA has flagged compounding safety concerns.

Tier Bhigh riskintermediate
Routes

intravenous, subcutaneous

Timeline

Acute GH response after IV dosing; PK shows hours-scale elimination.

Cycle cost

€35.76

Vendor listings

1 tracked

Ipamorelin

Selective GHSR agonist profiled for more targeted GH release with less ACTH/cortisol spillover than earlier secretagogues.

Tier B-Chigh riskintermediate
Routes

subcutaneous, intravenous

Timeline

GH pulse effects are acute; body composition claims are long-horizon and not well-established.

Cycle cost

$180.00

Vendor listings

3 tracked

Higher-risk options

Injection-site reactions, headache, diarrhea, flushing, transient hypotension at higher doses.

GHRP-2high

Endocrine spillover (ACTH, cortisol, prolactin); glucose metabolism concerns.

GHRP-6high

Immunogenicity/impurity concerns (FDA); cortisol effects; decreased insulin sensitivity; glucose metabolism risk.

Immunogenicity risk (FDA); impurity concerns with unnatural amino acids; glucose/cortisol axis concerns.

Trusted vendors for performance and GH-axis research

These vendors currently carry compounds in this goal category. Hub is the trust layer; outbound clicks happen after comparison.

XL Peptides

5 relevant compounds in hub

Review
COA

testing reports on product page

QC

third-party testing reports linked on product page

Shipping

UK, Europe, and rest of world via vendor shipping options

Affiliate

affiliate: direct product page

Ignite Peptides

4 relevant compounds in hub

Review
COA

COA with order / verify current product report

QC

third-party testing and COA documentation claimed by vendor; verify product-specific report

Shipping

U.S. domestic territories only

Affiliate

affiliate: direct product page

Amino Club

4 relevant compounds in hub

Review
COA

product page COA viewer

QC

third-party purity testing; product-level COA on page

Shipping

US/ROW (verify current policy)

Affiliate

affiliate: public program

Sources and review notes

  1. Certain Bulk Drug Substances for Use in Compounding that May Present Significant Safety Risks - U.S. Food and Drug Administration - accessed 2026-05-15

    Used for FDA compounding-risk context and peptide safety flags.

  2. The Prohibited List - World Anti-Doping Agency - accessed 2026-05-15

    Used for athlete-facing WADA risk and peptide-class restrictions.

  3. Peptide therapeutics: current status and future directions - PubMed / Nature Reviews Drug Discovery - accessed 2026-05-15

    Used for broad peptide-therapeutics background and evidence framing.