CJC-1295 vs MK-677

A comprehensive, data-driven comparison of CJC-1295 (Modified GRF 1-29) and MK-677 (Ibutamoren). Compare efficacy, side effects, costs, FDA approval status, and clinical evidence to make an informed decision.

CJC-1295
Category 2 (pending reclassification)
Growth hormone optimization and anti-aging
Evidence
Emerging
Monthly Cost$35 - $70/mo
DosingTwice weekly
MK-677
Phase 2
Growth hormone optimization and muscle growth
Evidence
Moderate
Monthly Cost$50 - $100/mo
DosingDaily

Side-by-Side Comparison

PropertyCJC-1295
Modified GRF 1-29, DAC:GRF
MK-677
Ibutamoren, Nutrobal
FDA Status
Category 2 (pending reclassification)
Phase 2
Category
Growth Hormone
Growth Hormone
Primary Use
Growth hormone optimization and anti-aging
Growth hormone optimization and muscle growth
Weight Loss %
N/A
N/A
Monthly Cost
$35 - $70/mo
$50 - $100/mo
Administration
Subcutaneous injection
Oral
Typical Dose
1-2mg twice weekly (with DAC)
10-25mg daily
Frequency
Twice weekly
Daily
Mechanism

Growth hormone releasing hormone (GHRH) analog that stimulates pituitary gland to produce more growth hormone

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

Common Side Effects
  • Injection site reactions
  • Water retention
  • Numbness or tingling
  • Increased hunger
  • Increased appetite
  • Water retention
  • Fatigue
  • Muscle pain
  • +1 more
Serious Side Effects
  • Potential pituitary tumor growth
  • Insulin resistance
  • Carpal tunnel syndrome
  • Insulin resistance
  • Elevated prolactin
  • Potential impact on cancer risk
Evidence Quality
Emerging
Moderate
Clinical Trial Phase
N/A
Phase 2

Key Differences

  • 1CJC-1295 is generally more affordable ($35 - $70/mo) compared to MK-677 ($50 - $100/mo).
  • 2CJC-1295 is administered via subcutaneous injection, while MK-677 uses oral.
  • 3CJC-1295 is dosed twice weekly, while MK-677 is daily.
  • 4MK-677 has moderate-quality evidence, while CJC-1295 has emerging-quality evidence.

Which Is Better For...

CJ

CJC-1295

More budget-friendly option with lower monthly costs

CJ

CJC-1295

More convenient dosing schedule (twice weekly)

CJ

CJC-1295

Fewer commonly reported side effects

MK

MK-677

Stronger clinical evidence base to support its use

Cost Comparison

PeptideMonthly Cost RangeFDA StatusManufacturer
CJC-1295$35 - $70/mo
Category 2 (pending reclassification)
Various research labs
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 CJC-1295 and MK-677?

CJC-1295 works via Growth hormone releasing hormone (GHRH) analog that stimulates pituitary gland to produce. 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 CJC-1295 cost compared to MK-677?

CJC-1295 typically costs $35 - $70/mo, while MK-677 costs $50 - $100/mo. Prices may vary by pharmacy, insurance coverage, and manufacturer programs.

Are CJC-1295 and MK-677 FDA approved?

CJC-1295 is not FDA-approved (Category 2 (pending reclassification)). 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 CJC-1295 vs MK-677?

Common side effects of CJC-1295 include Injection site reactions, Water retention, Numbness or tingling. 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 CJC-1295 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

CJC-1295 Full Profile
Growth hormone optimization and anti-aging

CJC-1295 is a synthetic analog of growth hormone releasing hormone (GHRH) that stimulates the pituitary gland to release growth hormone. It exists in two forms: with DAC (Drug Affinity Complex) for ex...

View Full CJC-1295 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 CJC-1295 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.