LL-37 vs Thymogen
Comprehensive side-by-side comparison of mechanisms, dosing, side effects, and research
Also: Cathelicidin, CAP18
A naturally occurring antimicrobial peptide and the only human cathelicidin. Part of the innate immune system with broad-spectrum antimicrobial activity.
Also: EW Dipeptide, Glu-Trp
A synthetic dipeptide (Glu-Trp) bioregulator derived from Thymalin, a thymus extract. One of Professor Khavinson's key immunomodulatory peptides, shown to stimulate T-lymphocyte development and normalize immune function. Has been used clinically in Russia for immune support.
Key Comparison Insights
- Both peptides belong to the Immune category, suggesting similar primary applications.
Detailed Comparison
| Attribute | LL-37 | Thymogen |
|---|---|---|
| Category | Immune | Immune |
| FDA Status | Not FDA Approved | Not FDA Approved |
| Clinical Status | Pre I II III IV FDA | Pre I II III IV FDA |
| Mechanism of Action | LL-37 directly kills bacteria, fungi, and some viruses by disrupting their cell membranes. It also modulates the immune response, promotes wound healing, reduces inflammation, and has anti-biofilm activity against bacterial infections. | Thymogen (alpha-glutamyl-tryptophan) stimulates cellular factors of immunogenesis, promotes proliferation and differentiation of T-lymphocyte precursors into mature immunocompetent cells. It normalizes the ratio of T-helpers to T-suppressors, increases cyclic adenosine monophosphate (cAMP) in T-lymphocyte precursors, and modulates immune cell maturation. Pharmacokinetic studies show rapid tissue uptake, particularly in liver, adrenals, kidney, lymph nodes, and thymus. |
| Common Dosing | 100-200 mcg daily Once daily | 1-2 capsules (10-20 mg) daily 1-2x daily, before meals |
| Administration | Subcutaneous injection or topical | Oral capsules, also available as nasal spray in some regions |
| Typical Duration | Variable by protocol | 30-day courses with 2-3 month breaks |
| Best Time to Take | Morning | Morning, before meals |
Possible Side Effects May vary by individual |
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| Research Summary | Research demonstrates broad antimicrobial activity including against antibiotic-resistant bacteria. Studies show wound healing benefits, anti-biofilm effects, and immune modulation. Being investigated for chronic infections and wound healing applications. | Originally isolated from Thymalin via reversed-phase HPLC, then synthesized. Clinical studies in Russia show immunomodulatory effects including normalization of T-cell subsets. Animal studies demonstrate geroprotective activity - Thymogen administration in rats led to increased survival and 1.5-fold decrease in tumor development. Has been used clinically for over 20 years as an immunomodulator. |
Frequently Asked Questions: LL-37 vs Thymogen
What is the difference between LL-37 and Thymogen?
LL-37 is a immune peptide that a naturally occurring antimicrobial peptide and the only human cathelicidin. part of the innate immune system with broad-spectrum antimicrobial activity. Thymogen is a immune peptide that a synthetic dipeptide (glu-trp) bioregulator derived from thymalin, a thymus extract. one of professor khavinson's key immunomodulatory peptides, shown to stimulate t-lymphocyte development and normalize immune function. has been used clinically in russia for immune support. The main differences lie in their mechanisms of action and clinical applications.
Which is better, LL-37 or Thymogen?
Neither is universally "better" - the choice depends on your specific goals. LL-37 is typically used for immune purposes, while Thymogen is used for immune. Always consult with a healthcare provider to determine which may be appropriate for your situation.
Can LL-37 and Thymogen be used together?
Some peptide protocols combine multiple compounds for synergistic effects. However, using LL-37 and Thymogen together should only be considered under medical supervision, as both compounds have their own side effect profiles and potential interactions. Research on their combined use may be limited.
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Educational Information Only
This comparison of LL-37 and Thymogen is for educational purposes only. Neither this comparison nor any information on this site constitutes medical advice. Always consult with qualified healthcare providers before making decisions about peptides or other substances.