Thymulin vs Vitamin D3 Injection
A side-by-side research comparison of Thymulin and Vitamin D3 Injection across mechanism, dosing, half-life, benefits, side effects and research status.
Comparison table
| Attribute | Thymulin | Vitamin D3 Injection |
|---|---|---|
| Full name | Thymulin (Facteur Thymique Serique) | Cholecalciferol (Vitamin D3) Injectable |
| Category | Immune Support | Immune Support |
| Status | Research compound | Compounded supplement |
| Mechanism | Binds to specific receptors on T-cell precursors promoting their differentiation into mature T-cells, modulates cytokine production, and requires zinc as cofactor. | Converts to 25-hydroxyvitamin D then to active 1,25-dihydroxyvitamin D. Modulates over 200 genes including those for immune function, calcium absorption, bone remodeling, and hormone production. |
| Molecular weight | 847.9 Da | 384.64 Da |
| Half-life | ~2 hours | ~15 days (storage form) |
| Bioavailability | ~80% subcutaneous | ~100% IM |
| Typical dose | 1-5 mg | 50,000-100,000 IU |
| Frequency | 2-3x per week | Weekly to monthly |
| Route | Subcutaneous injection | Intramuscular injection |
Thymulin reported benefits
- T-cell maturation support
- Thymic function restoration
- Zinc-dependent immune activation
- Anti-inflammatory properties
Vitamin D3 Injection reported benefits
- Rapid deficiency correction
- Immune system optimization
- Bone health
- Hormone support
- Mood improvement
- Reduced inflammation
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Research and educational reference only. Not medical advice.