Clomiphene Citrate vs Liothyronine (T3)
A side-by-side research comparison of Clomiphene Citrate and Liothyronine (T3) across mechanism, dosing, half-life, benefits, side effects and research status.
Comparison table
| Attribute | Clomiphene Citrate | Liothyronine (T3) |
|---|---|---|
| Full name | Clomiphene Citrate (Clomid) | Liothyronine Sodium (Cytomel) |
| Category | Hormone Replacement | Hormone Replacement |
| Status | FDA Approved (off-label for men) | Prescription medication |
| Mechanism | Blocks estrogen receptors in the hypothalamus, preventing negative feedback. This increases GnRH pulsatility, elevating pituitary LH and FSH output and subsequently testicular testosterone production. | Binds nuclear thyroid receptors to regulate gene transcription for basal metabolic rate, thermogenesis, protein synthesis, and carbohydrate/fat metabolism in virtually every tissue. |
| Molecular weight | 598.09 Da (citrate salt) | 650.97 Da |
| Half-life | ~5-7 days | ~2.5 days |
| Bioavailability | ~80% oral | ~95% oral |
| Typical dose | 12.5-50 mg | 5-25 mcg |
| Frequency | Daily or every other day | Daily (split AM/PM) |
| Route | Oral | Oral tablet or sustained-release capsule |
Clomiphene Citrate reported benefits
- Increased endogenous testosterone
- Preserved fertility
- Elevated LH/FSH
- No testicular atrophy
- Improved sperm parameters
Liothyronine (T3) reported benefits
- Metabolic rate increase
- Weight loss support
- Improved energy
- Better mood
- Reduced brain fog
- Enhanced fat oxidation
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Research and educational reference only. Not medical advice.