Thymogen vs Thymalin
Head-to-head comparison of Thymogen (L-Glutamyl-L-Tryptophan) and Thymalin (Calf Thymus Peptide Fraction (Thymalin)) — benefits, dosing, side effects, research data, and where to buy.
| Property | Thymogen | Thymalin |
|---|---|---|
| Category | Immune Support | Immune Support |
| Full Name | L-Glutamyl-L-Tryptophan | Calf Thymus Peptide Fraction (Thymalin) |
| Molecular Weight | 345.34 Da | N/A |
| Half-Life | 1-2 h | N/A |
| Amino Acids | 2 | N/A |
| Typical Dose | 100-300 mcg | 5-20 mg |
| Route | Intranasal | Intramuscular |
| Purity | ≥98% | ≥98% |
| Studies Count | 60 | 120 |
| Research Status | Clinical | Clinical |
Thymogen Benefits
- ✓cellular-immune-support
- ✓t-cell-signaling
- ✓recovery-adjunct
- ✓infection-resilience
Thymalin Benefits
- ✓t-cell support
- ✓leukocyte recovery
- ✓immunomodulation
- ✓infection-resilience
Thymogen Dosing
100-300 mcg/day|intranasal or IM|5-10 day cycles
Thymalin Dosing
5-10 mg IM daily|3-10 day cycles|repeat cycles after 1-4 weeks if studied
Thymogen Side Effects
- ⚠nasal irritation
- ⚠headache
- ⚠hypersensitivity
Thymalin Side Effects
- ⚠injection-site discomfort
- ⚠transient fever
- ⚠rash/allergy
Research Overview
Thymogen
Thymogen has been studied as a short thymic peptide-like dipeptide with immunoregulatory activity. The literature focuses on lymphocyte function, cytokine modulation, and use in recurrent respiratory infections or immune suppression states.
Thymalin
Thymalin appears in Soviet/Russian clinical literature as a thymus peptide complex used to normalize immune parameters after illness, surgery, or radiation exposure. Reports commonly focus on changes in lymphocyte subsets, phagocytic activity, and infection frequency rather than a single isolated peptide mechanism.
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