MK-677 vs Melanotan II

A comprehensive, data-driven comparison of MK-677 (Ibutamoren) and Melanotan II (MT-2). Compare efficacy, side effects, costs, FDA approval status, and clinical evidence to make an informed decision.

MK-677
Phase 2
Growth hormone optimization and muscle growth
Evidence
Moderate
Monthly Cost$50 - $100/mo
DosingDaily
Melanotan II
Not submitted
Tanning and sexual dysfunction (research)
Evidence
Low
Monthly Cost$30 - $60/mo
DosingAs needed

Side-by-Side Comparison

PropertyMK-677
Ibutamoren, Nutrobal
Melanotan II
MT-2, Melanotan 2
FDA Status
Phase 2
Not submitted
Category
Growth Hormone
Sexual Health
Primary Use
Growth hormone optimization and muscle growth
Tanning and sexual dysfunction (research)
Weight Loss %
N/A
N/A
Monthly Cost
$50 - $100/mo
$30 - $60/mo
Administration
Oral
Subcutaneous injection
Typical Dose
10-25mg daily
0.25-1mg 2-3x per week
Frequency
Daily
As needed
Mechanism

Oral growth hormone secretagogue that mimics ghrelin to stimulate GH and IGF-1 release

Melanocortin receptor agonist that stimulates melanogenesis for tanning and has effects on sexual arousal

Common Side Effects
  • Increased appetite
  • Water retention
  • Fatigue
  • Muscle pain
  • +1 more
  • Nausea
  • Flushing
  • Spontaneous erections
  • Darkening of moles and freckles
  • +1 more
Serious Side Effects
  • Insulin resistance
  • Elevated prolactin
  • Potential impact on cancer risk
  • New mole formation
  • Changes in existing moles
  • Cardiovascular effects
  • Unknown cancer risk
  • +2 more
Evidence Quality
Moderate
Low
Clinical Trial Phase
Phase 2
N/A

Key Differences

  • 1Melanotan II is generally more affordable ($30 - $60/mo) compared to MK-677 ($50 - $100/mo).
  • 2MK-677 is administered via oral, while Melanotan II uses subcutaneous injection.
  • 3MK-677 is dosed daily, while Melanotan II is as needed.
  • 4MK-677 has moderate-quality evidence, while Melanotan II has low-quality evidence.
  • 5They belong to different categories: MK-677 (Growth Hormone) vs Melanotan II (Sexual Health).

Which Is Better For...

ME

Melanotan II

More budget-friendly option with lower monthly costs

ME

Melanotan II

More convenient dosing schedule (as needed)

MK

MK-677

Stronger clinical evidence base to support its use

Cost Comparison

PeptideMonthly Cost RangeFDA StatusManufacturer
MK-677$50 - $100/mo
Phase 2
Various research labs
Melanotan II$30 - $60/mo
Not submitted
Various research labs

Prices are estimated monthly costs and may vary based on pharmacy, insurance coverage, and manufacturer assistance programs. Costs for non-FDA-approved peptides reflect research compound pricing.

Frequently Asked Questions

What is the main difference between MK-677 and Melanotan II?

MK-677 works via Oral growth hormone secretagogue that mimics ghrelin to stimulate GH and IGF-1. Melanotan II works via Melanocortin receptor agonist that stimulates melanogenesis for tanning and has effects on. They differ in FDA approval status, efficacy data, and cost.

How much does MK-677 cost compared to Melanotan II?

MK-677 typically costs $50 - $100/mo, while Melanotan II costs $30 - $60/mo. Prices may vary by pharmacy, insurance coverage, and manufacturer programs.

Are MK-677 and Melanotan II FDA approved?

MK-677 is not FDA-approved (Phase 2). Melanotan II is not FDA-approved (Not submitted). FDA approval indicates the treatment has met rigorous safety and efficacy standards.

What are the side effects of MK-677 vs Melanotan II?

Common side effects of MK-677 include Increased appetite, Water retention, Fatigue. Common side effects of Melanotan II include Nausea, Flushing, Spontaneous erections. Always consult a healthcare provider about potential side effects.

Can I switch from MK-677 to Melanotan II?

Switching between peptide therapies should only be done under the guidance of a qualified healthcare provider. They can evaluate your medical history, current response, and determine the safest transition protocol.

Learn More

MK-677 Full Profile
Growth hormone optimization and muscle growth

MK-677 (Ibutamoren) is an orally-active growth hormone secretagogue that mimics the action of ghrelin. Unlike peptide injections, it is taken orally and has a long half-life allowing once-daily dosing...

View Full MK-677 Guide
Melanotan II Full Profile
Tanning and sexual dysfunction (research)

Melanotan II is a synthetic analog of alpha-melanocyte stimulating hormone that binds to melanocortin receptors. Originally developed for skin tanning protection against UV damage, it was found to hav...

View Full Melanotan II Guide

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Medical Disclaimer

The information provided on this page is for educational and informational purposes only and does not constitute medical advice. This comparison between MK-677 and Melanotan II should not be used as a substitute for professional medical guidance. Always consult a qualified healthcare provider before starting, stopping, or modifying any peptide therapy. Clinical data cited may be from ongoing trials and is subject to change. Individual results may vary significantly. PeptideVS does not endorse, recommend, or promote the use of any specific peptide for medical treatment.