Semaglutide vs Melanotan II

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

Semaglutide
FDA Approved
Type 2 diabetes, chronic weight management, and MASH
Evidence
High
Avg. Weight Loss15%
Monthly Cost$1,000 - $1,400/mo
DosingWeekly
ManufacturerNovo Nordisk
Melanotan II
Not submitted
Tanning and sexual dysfunction (research)
Evidence
Low
Monthly Cost$30 - $60/mo
DosingAs needed

Side-by-Side Comparison

PropertySemaglutide
Ozempic, Wegovy
Melanotan II
MT-2, Melanotan 2
FDA Status
FDA Approved
Not submitted
Category
Weight Loss
Sexual Health
Primary Use
Type 2 diabetes, chronic weight management, and MASH
Tanning and sexual dysfunction (research)
Weight Loss %
15%
N/A
Monthly Cost
$1,000 - $1,400/mo
$30 - $60/mo
Administration
Subcutaneous injection
Subcutaneous injection
Typical Dose
2.4mg weekly (Wegovy dose)
0.25-1mg 2-3x per week
Frequency
Weekly
As needed
Mechanism

GLP-1 receptor agonist that mimics incretin hormone to increase insulin secretion, slow gastric emptying, and reduce appetite

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

Common Side Effects
  • Nausea
  • Diarrhea
  • Vomiting
  • Constipation
  • +2 more
  • Nausea
  • Flushing
  • Spontaneous erections
  • Darkening of moles and freckles
  • +1 more
Serious Side Effects
  • Thyroid C-cell tumors
  • Pancreatitis
  • Diabetic retinopathy complications
  • Acute kidney injury
  • +1 more
  • New mole formation
  • Changes in existing moles
  • Cardiovascular effects
  • Unknown cancer risk
  • +2 more
Evidence Quality
High
Low
Clinical Trial Phase
Approved
N/A

Key Differences

  • 1Semaglutide is FDA-approved, while Melanotan II is currently not submitted.
  • 2Semaglutide has clinical weight loss data (15%), while Melanotan II is not primarily indicated for weight loss.
  • 3Melanotan II is generally more affordable ($30 - $60/mo) compared to Semaglutide ($1,000 - $1,400/mo).
  • 4Semaglutide is dosed weekly, while Melanotan II is as needed.
  • 5Semaglutide has high-quality evidence, while Melanotan II has low-quality evidence.
  • 6They belong to different categories: Semaglutide (Weight Loss) vs Melanotan II (Sexual Health).

Which Is Better For...

SE

Semaglutide

Those seeking an FDA-approved treatment with established safety data

ME

Melanotan II

More budget-friendly option with lower monthly costs

ME

Melanotan II

More convenient dosing schedule (as needed)

ME

Melanotan II

Fewer commonly reported side effects

SE

Semaglutide

Stronger clinical evidence base to support its use

Get Semaglutide or Melanotan II Online

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Henry Meds

Sponsored

Featured

Compounded GLP-1 therapy with flat monthly pricing and no insurance hassle.

Starting price
From $297/mo
  • Flat monthly price, no insurance required
  • Compounded semaglutide and tirzepatide
  • Licensed providers in 50 states
See Henry Meds pricing

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Mochi Health

Sponsored

Featured

Obesity-medicine-trained clinicians and a care team built around women.

Starting price
From $79/mo + medication
  • Obesity-medicine-trained MDs and RDs
  • Compounded and brand-name GLP-1 options
  • Insurance-aware pricing and savings tools
Check Mochi eligibility

We may earn a commission when you sign up.

Found Health

Sponsored

Weight-care program combining GLP-1s with behavior coaching and nutritionists.

Starting price
From $99/mo + medication
  • Whole-person program, not just a prescription
  • Insurance-first with cash-pay fallback
  • Nutrition and habit coaching included
Explore Found Health

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Ro Body

Sponsored

Brand-name Wegovy and Zepbound plus compounded options, handled end to end.

Starting price
From $145/mo
  • Brand-name and compounded GLP-1 paths
  • Insurance navigation built into intake
  • Nationwide telehealth with ongoing check-ins
Start with Ro Body

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Hers Weight

Sponsored

GLP-1 injections paired with behavior coaching for long-term weight care.

Starting price
From $165/mo
  • Compounded GLP-1 with licensed providers
  • Coaching and habit support in-app
  • Transparent monthly pricing
See Hers Weight plans

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PlushCare

Sponsored

Primary-care telehealth with broad Rx coverage and same-day appointments.

Starting price
From $16.99/mo membership
  • Broad primary-care scope, not GLP-1-only
  • Same-day video visits in all 50 states
  • Works with insurance for most plans
Book a PlushCare visit

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Cost Comparison

PeptideMonthly Cost RangeFDA StatusManufacturer
Semaglutide$1,000 - $1,400/mo
FDA Approved
Novo Nordisk
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 Semaglutide and Melanotan II?

Semaglutide works via GLP-1 receptor agonist that mimics incretin hormone to increase insulin secretion, slow. 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.

Which is more effective for weight loss, Semaglutide or Melanotan II?

Semaglutide has demonstrated 15% average weight loss in clinical trials. Melanotan II is not primarily used for weight loss.

How much does Semaglutide cost compared to Melanotan II?

Semaglutide typically costs $1,000 - $1,400/mo, while Melanotan II costs $30 - $60/mo. Prices may vary by pharmacy, insurance coverage, and manufacturer programs.

Are Semaglutide and Melanotan II FDA approved?

Semaglutide is FDA-approved. 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 Semaglutide vs Melanotan II?

Common side effects of Semaglutide include Nausea, Diarrhea, Vomiting. Common side effects of Melanotan II include Nausea, Flushing, Spontaneous erections. Always consult a healthcare provider about potential side effects.

Can I switch from Semaglutide 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

Semaglutide Full Profile
Type 2 diabetes, chronic weight management, and MASH

Semaglutide is an FDA-approved GLP-1 receptor agonist marketed as Ozempic for type 2 diabetes and Wegovy for chronic weight management. In August 2025, it received accelerated approval for MASH (metab...

View Full Semaglutide 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 Semaglutide 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.