Multiple is a research compound. It is not approved by the FDA or any regulatory body for human use. This article is for educational and informational purposes only. Nothing here constitutes medical advice. Consult a qualified physician before considering any peptide use.
The best peptides for this category have been ranked based on research evidence, safety profiles, and practical considerations. This guide covers the top compounds with specific dosing protocols and evidence summaries for each.
What Are the Best Peptides for Muscle?
This guide ranks the top research peptides for muscle based on current evidence, safety profiles, and practical considerations.
Each compound below has been evaluated on its mechanism of action, research depth, ease of use, and availability from quality sources.
#1: Ipamorelin — Ipamorelin
Ipamorelin is a Growth Hormone Secretagogue (GHS) / Ghrelin mimetic researched for growth hormone release, improved sleep, fat loss, muscle recovery, bone density support.
Mechanism: Ipamorelin selectively stimulates GH release by mimicking ghrelin at the GHS-R receptor on pituitary somatotrophs. Unlike other GHRPs (GHRP-2, GHRP-6, Hexarelin), it does not significantly increase co
Dosage: 200-300 mcg 2-3 times daily via subcutaneous injection. Cycle: 8-12 weeks, often stacked with CJC-1295.
Why it made the list: The most selective GH secretagogue available — the only GHRP that doesn't meaningfully raise cortisol, prolactin, or appetite at therapeutic doses, making it the safest entry point for GH optimization. Read the full Ipamorelin guide →
#2: 5-Amino-1MQ — 5-Amino-1-Methyl-Quinolinium
5-Amino-1MQ is a Small molecule NNMT inhibitor researched for fat oxidation, metabolic flexibility, improved grip strength, increased endurance, reduced muscle recovery time, anti-aging effects.
Mechanism: Selectively inhibits the NNMT enzyme, which normally degrades nicotinamide and prevents NAD+ synthesis. By blocking NNMT, it frees nicotinamide for NAD+ production via the salvage pathway and activate
Dosage: 150-500 mcg subcutaneous, 50-100 mg oral once to twice daily via subcutaneous injection or oral. Cycle: 4-12 weeks.
Why it made the list: First-in-class NNMT inhibitor — the only compound that boosts NAD+ by preventing its precursor from being degraded, rather than simply supplementing more precursor. Read the full 5-Amino-1MQ guide →
#3: CJC-1295 DAC — CJC-1295 with Drug Affinity Complex
CJC-1295 DAC is a GHRH analog with extended half-life researched for sustained GH elevation, elevated IGF-1 levels, enhanced protein synthesis, improved body composition, increased muscle mass.
Mechanism: Binds GHRH receptors on pituitary somatotrophs to stimulate GH synthesis and secretion. The DAC module covalently binds to endogenous albumin, extending the half-life to 6-8 days while maintaining rec
Dosage: 1-2 mg per injection once or twice weekly via subcutaneous injection. Cycle: 12-16 weeks.
Why it made the list: The only GHRH analog with extended half-life allowing once-weekly dosing — but this convenience comes at the cost of sustained supraphysiological GH levels that bypass natural feedback, which is why most researchers prefer the no-DAC version. Read the full CJC-1295 DAC guide →
#4: GHRP-2 — Growth Hormone Releasing Peptide-2
GHRP-2 is a Growth hormone secretagogue, ghrelin receptor agonist researched for potent GH elevation, lean muscle mass gain, improved recovery, IGF-1 increases, increased appetite, bone density support.
Mechanism: Binds and activates the ghrelin receptor (GHS-R), a G-protein coupled receptor on pituitary somatotrophs. Triggers phospholipase C and inositol signaling cascades to stimulate GH secretion. Acts throu
Dosage: 100-300 mcg per injection 2-3 times daily on empty stomach via subcutaneous injection, intranasal spray. Cycle: 8-16 weeks with cycling protocols recommended.
Why it made the list: More potent GH release than Ipamorelin, but at the cost of cortisol, prolactin, and intense appetite stimulation — a classic potency vs. selectivity tradeoff. Read the full GHRP-2 guide →
#5: GHRP-6 — Growth Hormone Releasing Peptide-6
GHRP-6 is a Growth hormone secretagogue, ghrelin receptor agonist researched for potent GH elevation, muscle mass gain, recovery enhancement, IGF-1 increases, appetite stimulation, potential cardiac protection.
Mechanism: Binds GHS-R (ghrelin receptor) on somatotroph and hypothalamic neurons, activating GH secretion through phospholipase C cascade. Stimulates hypothalamic GHRH release and reduces somatostatin. Also act
Dosage: 100-300 mcg per injection 2-3 times daily on empty stomach via subcutaneous injection. Cycle: 8-16 weeks with periodic breaks to prevent receptor desensitization.
Why it made the list: The GHRP with the longest community track record (20+ years) and the most extreme appetite stimulation of any peptide — either a massive benefit or dealbreaker depending on your goals. Read the full GHRP-6 guide →
#6: Hexarelin — Hexapeptide Growth Hormone Secretagogue
Hexarelin is a Growth hormone secretagogue, synthetic GHRP researched for maximum GH elevation among GHRPs, enhanced muscle growth, superior recovery, direct cardiac protection (improved LVEF and cardiac output).
Mechanism: Activates GHS-R with high selectivity, triggering phospholipase C and inositol signaling for maximum GH secretion. Acts through three mechanisms: direct pituitary somatotroph stimulation, indirect GHR
Dosage: 100-200 mcg per injection 1-3 times daily via subcutaneous injection. Cycle: 8-16 weeks with breaks for receptor recovery.
Why it made the list: The most potent GH secretagogue available AND the only one with documented direct cardiac protection via CD36/GHSR-1a receptor activation — addressing both body composition and heart health. Read the full Hexarelin guide →
#7: IGF-1 LR3 — Insulin-like Growth Factor-1 Long Arginine 3
IGF-1 LR3 is a Growth factor analog, IGF-1 receptor agonist researched for rapid muscle growth, accelerated recovery, bone density increase, tendon healing, neurological protection, localized anabolic effect at injection site.
Mechanism: Binds IGF-1 receptor (IGF-1R) activating tyrosine kinase signaling cascade. Stimulates protein synthesis via the mTOR pathway, inhibits protein degradation, promotes glucose uptake and cell proliferat
Dosage: 20-100 mcg daily; conservative protocols use 20-40 mcg once daily, typically post-workout via subcutaneous injection (intramuscular for localized effect). Cycle: 4-8 weeks maximum to prevent receptor desensitization and insulin resistance.
Why it made the list: The most potent direct anabolic peptide available with localized growth effects at injection sites — but also the most dangerous in terms of hypoglycemia risk, making it unsuitable for beginners. Read the full IGF-1 LR3 guide →
#8: MK-677 — Ibutamoren Mesylate
MK-677 is a Non-peptide ghrelin receptor agonist, growth hormone secretagogue researched for oral GH elevation (up to 97% increase), lean muscle mass gain, fat loss, improved sleep quality, enhanced recovery, bone density.
Mechanism: Selective non-peptide agonist of the ghrelin receptor (GHS-R1a) that increases GHRH production while simultaneously reducing somatostatin (GH inhibitor). Increases GH pulse amplitude and frequency, pr
Dosage: 10-25 mg daily once daily (usually before bed) via oral. Cycle: 8-16 weeks; minimum 10-week break between cycles.
Why it made the list: The only oral GH secretagogue producing clinically significant GH elevation without injections — uniquely accessible and practical compared to every other peptide that requires subcutaneous administration. Read the full MK-677 guide →
Can You Combine Multiple Muscle Peptides?
Stacking complementary peptides for muscle is a common research approach. The key is combining compounds with different mechanisms to target multiple pathways without overlapping side effects.
See our stacking and cycling guide for principles on combining peptides safely.
How to Get Started
For beginners, start with a single, well-researched peptide rather than a complex stack. Use our dosing calculator for reconstitution math and our beginner's guide for step-by-step instructions.
Source from vendors with third-party COA testing — quality is the most important factor in achieving consistent research results.
Research-Grade Sourcing
If you're going to research Multiple, source matters. These are the suppliers WolveStack has vetted for purity and third-party testing.
Frequently Asked Questions
What is Multiple?
Multiple (Multiple) is a research peptide. Synthetic peptide. It is researched for various applications.
What is the recommended Multiple dosage?
Common dosages: varies administered per protocol via subcutaneous injection. Cycle length: 4-12 weeks. Half-life: varies. Use our peptide calculator for exact reconstitution math.
What are the side effects of Multiple?
Limited safety data available. Potential injection site reactions and individual sensitivity. No serious adverse events documented in available literature.
Is Multiple safe?
Multiple has shown a preliminary safety profile in research. Not FDA-approved. Available as a research chemical in most jurisdictions. All research should follow appropriate safety protocols.