Anadrol vs Naltrexone
FDA Approved vs FDA Approved
avoid Mechanism-based · 75% Both Anadrol and Naltrexone carry hepatotoxic risk. Combining hepatotoxic compounds significantly increases liver damage potential. If unavoidable, include liver support (TUDCA/NAC) and monitor ALT/AST frequently.
Molecular Data
Anadrol Naltrexone
Weight 332.48 Da 341.40 Da
Half-life ~8-9 hours ~4 hours
Type 17-alpha alkylated anabolic steroid (C21H32O3) Opioid antagonist (C20H23NO4)
Key Benefits
Anadrol
01 Rapid and dramatic increases in muscle mass and bodyweight
02 Exceptional strength gains, often noticeable within the first week
03 Potent stimulation of erythropoietin and red blood cell production
04 Increased appetite and nutrient partitioning in some users
05 Improved recovery between training sessions
06 Full, round muscle appearance due to intramuscular water and glycogen retention
07 FDA-approved treatment for various forms of anemia
Naltrexone
01 Broad anti-inflammatory and immunomodulatory effects via OGF-OGFr axis upregulation
02 Reduction in pro-inflammatory cytokines (TNF-alpha, IL-6, IL-12) through TLR4 antagonism
03 Compensatory upregulation of endogenous endorphins and enkephalins (200-300% increase)
04 Improved immune regulation and rebalancing of Th1/Th2/Th17 responses
05 Reduction in chronic pain through central and peripheral opioid system modulation
06 Potential improvement in mood, anhedonia, and overall well-being via endorphin enhancement
07 Extremely well-tolerated with minimal side effects at low doses
08 Low cost, especially as compounded LDN formulation
Side Effects
Anadrol
Significant water retention and bloating (estrogenic, not aromatase-mediated)
Elevated blood pressure (fluid volume and RBC increase)
Severe liver stress and elevated liver enzymes (AST/ALT)
Back pumps and lower back pain during exercise
Headaches (often blood pressure-related)
Appetite suppression (paradoxical for a mass-building compound)
Lethargy and fatigue (hepatic strain-related)
Acne and oily skin
Suppression of natural testosterone production
Naltrexone
Vivid dreams or unusually intense dreaming - the most frequently reported side effect, typically diminishes over 1-2 weeks
Initial sleep disruption or insomnia during the first week of treatment
Mild nausea, particularly during the first few days
Transient headache during dose initiation or titration
Contraindications
Pre-existing liver disease or significantly elevated liver enzymes
Prostate cancer or breast cancer in males
Nephrotic phase of nephritis
Hypercalcemia (Anadrol can exacerbate calcium levels)
Pregnancy (Category X - causes virilization of the female fetus)
Known hypersensitivity to oxymetholone
Concurrent use of other 17-alpha alkylated oral steroids (compounded liver toxicity)
Current use of opioid medications or active opioid dependence (must be opioid-free 7-10 days minimum)
Acute hepatitis or severe hepatic impairment (primarily relevant at full dose)
Known hypersensitivity to naltrexone
Anticipated need for opioid pain medication (e.g., upcoming surgery - discontinue LDN 3-7 days prior)
Research Evidence
Anadrol Naltrexone
Status FDA Approved FDA Approved
References 5 studies 5 studies
Latest 2018 2023
FDA Approved Yes Yes
This comparison is for educational and research purposes only. Consult a healthcare professional before use.