CJC-1295 (without DAC) vs Mazdutide

Well Studied vs Extensively Studied
monitor Mechanism-based · 47% Both CJC-1295 (without DAC) and Mazdutide affect insulin sensitivity or blood glucose. Monitor fasting glucose and HbA1c. Consider adding an insulin sensitizer (metformin/berberine).

Molecular Data

CJC-1295 (without DAC) Mazdutide
Weight 3,367.97 Da 4,563.1 Da
Half-life 30 minutes - 2 hours 6-8 days
Chain 30 amino acids 33 amino acids
Type GHRH analog Oxyntomodulin analog with fatty acid conjugation

Key Benefits

CJC-1295 (without DAC)
01 Preserves natural GH pulsatility
02 Minimal side effects
03 No receptor desensitization
04 Precise GH release control
05 4x greater receptor affinity than native GHRH
Mazdutide
01 Up to 20% body weight loss
02 Superior glycemic control versus semaglutide
03 Increased energy expenditure via glucagon receptor activation
04 Improved cardiometabolic markers (BP, lipids, liver fat)
05 Once-weekly injection convenience

Dosing Protocols

CJC-1295 (without DAC)
100-300mcg per injection / 2-3 times daily (morning, post-workout optional, bedtime)
Anti-Aging/Wellness 100mcg 2x daily (morning and bedtime)
Body Composition 100-150mcg 3x daily (morning, post-workout, bedtime)
Maximum GH Release 200mcg 2-3x daily with GHRP
Sleep Enhancement 100-200mcg Once at bedtime
Mazdutide
Start 1.5-3mg weekly, titrate up to 6-9mg based on response / Once weekly injection
Weight loss initiation (3mg target) 1.5mg → 3mg Once weekly
Weight loss progression (4.5mg target) 1.5mg → 3mg → 4.5mg Once weekly
Weight loss optimization (6mg target) 2mg → 4mg → 6mg Once weekly
Maximum weight loss (9mg target) 3mg → 6mg → 9mg Once weekly
T2D management (mild-moderate) 3-4.5mg weekly Once weekly

Side Effects

CJC-1295 (without DAC)
Generally well-tolerated at recommended doses
Temporary facial flushing/warmth (5-10 minutes post-injection)
Mazdutide
Nausea (mild-moderate, typically improves over time)
Diarrhea
Vomiting
Increased heart rate (5-17 bpm observed)
Contraindications
Active cancer (due to growth-promoting effects)
Diabetic retinopathy
Severe kidney disease
Pregnancy or breastfeeding
Personal or family history of medullary thyroid carcinoma
MEN2 syndrome history (class warning for GLP-1 agonists)
Pregnancy or breastfeeding (insufficient safety data)

Research Evidence

CJC-1295 (without DAC) Mazdutide
Status Well Studied Extensively Studied
References 5 studies 4 studies
Latest November 2024
FDA Approved No No

This comparison is for educational and research purposes only. Consult a healthcare professional before use.