Tesamorelin vs MK-677

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

Tesamorelin
FDA Approved
HIV-associated lipodystrophy
Evidence
High
Monthly Cost$200 - $1,500/mo
DosingDaily
ManufacturerTheratechnologies
MK-677
Phase 2
Growth hormone optimization and muscle growth
Evidence
Moderate
Monthly Cost$50 - $100/mo
DosingDaily

Side-by-Side Comparison

PropertyTesamorelin
Egrifta, TH9507
MK-677
Ibutamoren, Nutrobal
FDA Status
FDA Approved
Phase 2
Category
Growth Hormone
Growth Hormone
Primary Use
HIV-associated lipodystrophy
Growth hormone optimization and muscle growth
Weight Loss %
N/A
N/A
Monthly Cost
$200 - $1,500/mo
$50 - $100/mo
Administration
Subcutaneous injection
Oral
Typical Dose
2mg daily
10-25mg daily
Frequency
Daily
Daily
Mechanism

Synthetic GHRH analog that reduces visceral adipose tissue by stimulating growth hormone production

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

Common Side Effects
  • Injection site reactions
  • Arthralgia
  • Peripheral edema
  • Myalgia
  • +1 more
  • Increased appetite
  • Water retention
  • Fatigue
  • Muscle pain
  • +1 more
Serious Side Effects
  • Increased risk of neoplasms
  • Glucose intolerance
  • Fluid retention
  • Hypersensitivity reactions
  • Insulin resistance
  • Elevated prolactin
  • Potential impact on cancer risk
Evidence Quality
High
Moderate
Clinical Trial Phase
Approved
Phase 2

Key Differences

  • 1Tesamorelin is FDA-approved, while MK-677 is currently phase 2.
  • 2MK-677 is generally more affordable ($50 - $100/mo) compared to Tesamorelin ($200 - $1,500/mo).
  • 3Tesamorelin is administered via subcutaneous injection, while MK-677 uses oral.
  • 4Tesamorelin has high-quality evidence, while MK-677 has moderate-quality evidence.

Which Is Better For...

TE

Tesamorelin

Those seeking an FDA-approved treatment with established safety data

MK

MK-677

More budget-friendly option with lower monthly costs

TE

Tesamorelin

Stronger clinical evidence base to support its use

Cost Comparison

PeptideMonthly Cost RangeFDA StatusManufacturer
Tesamorelin$200 - $1,500/mo
FDA Approved
Theratechnologies
MK-677$50 - $100/mo
Phase 2
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 Tesamorelin and MK-677?

Tesamorelin works via Synthetic GHRH analog that reduces visceral adipose tissue by stimulating growth hormone. MK-677 works via Oral growth hormone secretagogue that mimics ghrelin to stimulate GH and IGF-1. They differ in FDA approval status, efficacy data, and cost.

How much does Tesamorelin cost compared to MK-677?

Tesamorelin typically costs $200 - $1,500/mo, while MK-677 costs $50 - $100/mo. Prices may vary by pharmacy, insurance coverage, and manufacturer programs.

Are Tesamorelin and MK-677 FDA approved?

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

What are the side effects of Tesamorelin vs MK-677?

Common side effects of Tesamorelin include Injection site reactions, Arthralgia, Peripheral edema. Common side effects of MK-677 include Increased appetite, Water retention, Fatigue. Always consult a healthcare provider about potential side effects.

Can I switch from Tesamorelin to MK-677?

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

Tesamorelin Full Profile
HIV-associated lipodystrophy

Tesamorelin is an FDA-approved synthetic growth hormone releasing hormone analog specifically indicated for reducing excess abdominal fat in HIV-infected patients with lipodystrophy. A new weekly reco...

View Full Tesamorelin Guide
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

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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 Tesamorelin and MK-677 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.