Semaglutide vs PT-141

A comprehensive, data-driven comparison of Semaglutide (Ozempic) and PT-141 (Bremelanotide). 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
PT-141
FDA Approved
Hypoactive sexual desire disorder (HSDD) in women
Evidence
High
Monthly Cost$800 - $1,200/mo
DosingAs needed
ManufacturerCosette Pharmaceuticals (Covis Pharma)

Side-by-Side Comparison

PropertySemaglutide
Ozempic, Wegovy
PT-141
Bremelanotide, Vyleesi
FDA Status
FDA Approved
FDA Approved
Category
Weight Loss
Sexual Health
Primary Use
Type 2 diabetes, chronic weight management, and MASH
Hypoactive sexual desire disorder (HSDD) in women
Weight Loss %
15%
N/A
Monthly Cost
$1,000 - $1,400/mo
$800 - $1,200/mo
Administration
Subcutaneous injection
Subcutaneous injection
Typical Dose
2.4mg weekly (Wegovy dose)
1.75mg as needed, at least 45 min before activity
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 activates central nervous system pathways involved in sexual arousal

Common Side Effects
  • Nausea
  • Diarrhea
  • Vomiting
  • Constipation
  • +2 more
  • Nausea
  • Flushing
  • Injection site reactions
  • Headache
  • +1 more
Serious Side Effects
  • Thyroid C-cell tumors
  • Pancreatitis
  • Diabetic retinopathy complications
  • Acute kidney injury
  • +1 more
  • Increases in blood pressure
  • Darkening of skin
  • Severe nausea
Evidence Quality
High
High
Clinical Trial Phase
Approved
Approved

Key Differences

  • 1Semaglutide has clinical weight loss data (15%), while PT-141 is not primarily indicated for weight loss.
  • 2PT-141 is generally more affordable ($800 - $1,200/mo) compared to Semaglutide ($1,000 - $1,400/mo).
  • 3Semaglutide is dosed weekly, while PT-141 is as needed.
  • 4They belong to different categories: Semaglutide (Weight Loss) vs PT-141 (Sexual Health).

Which Is Better For...

PT

PT-141

More budget-friendly option with lower monthly costs

PT

PT-141

More convenient dosing schedule (as needed)

PT

PT-141

Fewer commonly reported side effects

Get Semaglutide or PT-141 Online

Vetted telehealth providers that prescribe either peptide.

PeptideVS may earn a commission from providers listed below. Our editorial data is independent - see our disclosure for details.

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

We may earn a commission when you sign up.

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

We may earn a commission when you sign up.

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
PT-141$800 - $1,200/mo
FDA Approved
Cosette Pharmaceuticals (Covis Pharma)

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 PT-141?

Semaglutide works via GLP-1 receptor agonist that mimics incretin hormone to increase insulin secretion, slow. PT-141 works via Melanocortin receptor agonist that activates central nervous system pathways involved in sexual. They differ in FDA approval status, efficacy data, and cost.

Which is more effective for weight loss, Semaglutide or PT-141?

Semaglutide has demonstrated 15% average weight loss in clinical trials. PT-141 is not primarily used for weight loss.

How much does Semaglutide cost compared to PT-141?

Semaglutide typically costs $1,000 - $1,400/mo, while PT-141 costs $800 - $1,200/mo. Prices may vary by pharmacy, insurance coverage, and manufacturer programs.

Are Semaglutide and PT-141 FDA approved?

Semaglutide is FDA-approved. PT-141 is FDA-approved. FDA approval indicates the treatment has met rigorous safety and efficacy standards.

What are the side effects of Semaglutide vs PT-141?

Common side effects of Semaglutide include Nausea, Diarrhea, Vomiting. Common side effects of PT-141 include Nausea, Flushing, Injection site reactions. Always consult a healthcare provider about potential side effects.

Can I switch from Semaglutide to PT-141?

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
PT-141 Full Profile
Hypoactive sexual desire disorder (HSDD) in women

PT-141 (Bremelanotide) is an FDA-approved peptide medication marketed as Vyleesi for treating hypoactive sexual desire disorder (HSDD) in premenopausal women. Unlike PDE5 inhibitors like Viagra, PT-14...

View Full PT-141 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 PT-141 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.