Peptide Comparison
ImunofanvsThymalin
Synthetic hexapeptide derived from thymopoietin with immunomodulatory, antioxidant, and hepatoprotective properties
Russian thymic peptide complex that rejuvenates immune function and supports healthy aging
At a Glance
Quick
comparison
Dose Range
Imunofan
50–100 mcg
Thymalin
5–10 mg
Frequency
Imunofan
Once daily
Thymalin
Once daily
Administration
Imunofan
Subcutaneous injection
Thymalin
Intramuscular injection
Cycle Length
Imunofan
8-12 weeks
Thymalin
4-6 weeks
Onset Speed
Imunofan
Rapid (hours to days)
Thymalin
Moderate (1-2 weeks)
Evidence Level
Imunofan
Limited human trials
Thymalin
Limited human trials
Efficacy
Benefit
ratings
Immune
Healing & Recovery
Anti-Aging
Immune Restoration
Longevity Support
Disease Prevention
Technical Data
Compound
specifications
Imunofan
Molecular Formula
C36H61N13O10
Molecular Weight
836.0 g/mol
Half-Life
Approximately 2-4 hours (intranasal administration)
Bioavailability
~90-95% (subcutaneous injection)
CAS Number
Not assigned (Russian pharmacopeia compound)
Thymalin
Molecular Formula
Complex mixture; active dipeptide EW: C16H19N3O5
Molecular Weight
Polypeptide complex; components 250-1000 Da; active dipeptide EW ~321 Da
Half-Life
Not precisely characterized for complex; immune effects persist weeks post-administration
Bioavailability
High via intramuscular or subcutaneous injection
CAS Number
63958-90-7
Protocols
Dosing
tiers
Imunofan
Thymalin
Applications
Best
suited for
Imunofan
Cancer Adjuvant Therapy
Imunofan enhances the body's reserve capacity to inactivate free radicals and oxidants during chemotherapy and radiation, substantially reducing toxic reactions and enabling continuity of cancer treatment. Its unique ability to inhibit multiple drug resistance proteins may also improve chemotherapy drug effectiveness.
Chronic Viral Hepatitis
With established hepatoprotective properties and immune-restoring capabilities, Imunofan is used as adjunctive therapy in chronic hepatitis B and C, helping restore antiviral immunity and supporting liver function recovery.
Chronic Infections with Immunodepression
Patients with chronic infections (brucellosis, opportunistic infections in HIV) who display cell-mediated immunodepression may benefit from Imunofan's three-phase immune restoration, particularly the sustained slow-phase effect lasting up to 4 months.
Oxidative Stress Reduction
The rapid antioxidant phase makes Imunofan valuable for conditions involving elevated oxidative stress, as it directly inactivates free radicals and peroxide compounds while restoring the body's oxidative-antioxidant balance.
Thymalin
Aging Adults Seeking Immune Support
Thymalin is especially valuable for people over 55 whose thymus gland has naturally shrunk with age. By stimulating thymic function, it helps restore the immune training center that your body relies on to fight infections and stay healthy.
Longevity and Anti-Aging Protocols
Clinical studies tracking patients for 6-8 years showed Thymalin reduced mortality by 2.0-2.1-fold. Combined with Epitalon, the mortality reduction reached an impressive 4.1-fold, making this combination one of the most studied longevity peptide protocols.
Seasonal Illness Prevention
Research shows Thymalin cuts respiratory infection rates by 2.0-2.4-fold. A short 10-day course before cold and flu season can significantly boost your immune defenses for months afterward.
Safety Profile
Side
effects
Imunofan
Common
- Injection site reaction
- Transient headache
- Nasal irritation (intranasal form)
- Transient mild fever
- Mild fatigue
- Gastrointestinal discomfort (suppository form)
Uncommon
- Allergic reaction
Serious
- Anaphylactic reaction / Severe hypersensitivity
Thymalin
Common
- No side effects in most patients
- Mild injection site reaction
Uncommon
- Transient low-grade fever
- Mild flu-like symptoms
- Temporary headache
Serious
- Severe allergic reaction
Research Status
Safety
& evidence
Imunofan
Evidence Level
Limited human trials
FDA Status
Research compound
Safety Overview
Imunofan (Iletin-alpha, a synthetic tetrapeptide) demonstrates good tolerability in Russian clinical practice spanning 20+ years with oral and parenteral administration. Immunomodulatory peptides carry theoretical risks of over-stimulating autoimmune responses, but Imunofan safety data show no increased autoimmune flare rates in patients with existing autoimmune conditions. Injection site reactions and mild fever (1-3% of users) are the documented adverse events, not immunotoxicity. The mechanism of enhanced T-cell maturation appears selective and safe at therapeutic doses.
Contraindications
- xKnown hypersensitivity to imunofan or excipients
- xPregnancy complicated by Rh-conflict (contraindicated)
- xChildren under 2 years of age
- xSevere allergic conditions in acute exacerbation
Thymalin
Evidence Level
Limited human trials
FDA Status
Research compound
Safety Overview
Thymalin has an excellent safety profile based on over 40 years of clinical use in Russia. Most patients experience zero side effects, and the peptide complex has been described as 'practically non-toxic' in research literature. It has been used safely in thousands of patients, including elderly populations over extended periods.
Contraindications
- xActive thymic tumors or malignancies
- xKnown hypersensitivity to animal-derived peptide products
- xPregnancy and breastfeeding (insufficient safety data)
- xSevere uncontrolled autoimmune disease without medical supervision
Decision Guide
Which is
right for you?
Choose Imunofan if...
- Immune system restoration and modulation
- Adjunctive therapy during chemotherapy and radiation
- Support during chronic hepatitis treatment
- Reducing oxidative stress and free radical damage
Choose Thymalin if...
- Immune system restoration in aging adults
- Longevity and healthy aging support
- Reducing infection frequency and severity
- Multi-system health optimization