HMG vs Nandrolone
Extensively Studied vs FDA Approved
monitor Mechanism-based · 60% Both HMG and Nandrolone can elevate estrogen. Combined estrogenic load increases risk of gynecomastia, water retention, and mood changes. Monitor estradiol levels and consider AI if needed.
Molecular Data
HMG Nandrolone
Weight — 274.40 Da (base)
Half-life ~32 hours (FSH component: 39-54 hours) ~6-12 days (decanoate)
Type Gonadotropin mixture 19-nortestosterone steroid (C18H26O2)
Key Benefits
HMG
01 FDA-approved for fertility treatment
02 Stimulates ovarian follicle development
03 Contains both FSH and LH naturally
04 Promotes spermatogenesis in men
05 Cost-effective alternative to recombinant FSH
06 LH activity may improve fertilization rates
07 Long clinical track record
08 Lower OHSS incidence with HP-hMG
Nandrolone
01 Significant increases in lean muscle mass with a favorable anabolic-to-androgenic ratio
02 Enhanced collagen synthesis and joint lubrication, reducing joint pain and improving connective tissue integrity
03 Increased bone mineral density through direct osteoblast stimulation
04 Improved nitrogen retention and protein synthesis for accelerated recovery
05 Stimulation of erythropoietin production, increasing red blood cell mass and oxygen delivery
06 Lower androgenic side effects (hair loss, acne, prostate enlargement) compared to testosterone
07 Clinically demonstrated efficacy in treating anemia of chronic renal failure
08 Potential neuroprotective properties observed in preclinical research
Dosing Protocols
HMG
75-150 IU for ovulation induction; 150-300 IU for IVF / Daily during stimulation phase (7-12 days)
Ovulation induction 75-150 IU Daily
IVF stimulation 150-300 IU Daily for 7-12 days
Male fertility 75-150 IU 2-3x weekly
Nandrolone
100-200 mg/week (therapeutic) / 1x per week (decanoate) or 2-3x per week (NPP)
TRT Adjunct - Joint Support 50-100 mg/week 1x per week (decanoate)
Therapeutic - Anemia / Wasting 100-200 mg/week 1x per week (decanoate)
Performance Enhancement - Moderate 200-400 mg/week 1x per week (decanoate) or split into 2 injections
NPP Protocol - Shorter Cycle 200-350 mg/week Every other day or 3x per week
Side Effects
HMG
Injection site reactions
Abdominal discomfort
Ovarian enlargement
Mood changes
Headache
Nandrolone
Suppression of natural testosterone production (profoundly suppressive, more so than testosterone alone)
Water retention and bloating (less than testosterone at equianabolic doses)
Erectile dysfunction and reduced libido without concurrent testosterone ('deca dick')
Increased appetite and weight gain
Mild acne and oily skin (less pronounced than testosterone)
Elevated hematocrit and hemoglobin (erythrocytosis)
Injection site pain or discomfort
Mild mood changes (some users report increased emotional sensitivity)
Contraindications
Primary ovarian failure
Uncontrolled thyroid or adrenal dysfunction
Sex hormone-dependent tumors
Abnormal uterine bleeding of unknown cause
Ovarian cysts (not due to PCOS)
Pregnancy
Prostate cancer (active or history of hormone-sensitive prostate cancer)
Breast cancer in males or females
Pregnancy or potential for pregnancy (Category X - causes virilization of female fetus)
Nephrosis or the nephrotic phase of nephritis
Severe hepatic impairment
Hypercalcemia
Known hypersensitivity to nandrolone or any formulation components
Polycythemia (hematocrit above 54% at baseline)
Uncontrolled heart failure or severe cardiovascular disease
Research Evidence
HMG Nandrolone
Status Extensively Studied FDA Approved
References 4 studies 5 studies
Latest — April 2005
FDA Approved Yes Yes
This comparison is for educational and research purposes only. Consult a healthcare professional before use.