Thymulin vs Syn-Ake
Side-by-side comparison of key properties, dosing, and research.
- Summary
- Thymulin is a nonapeptide hormone produced exclusively by the thymic epithelium. It requires zinc for biological activity and plays a critical role in T-lymphocyte maturation, differentiation, and immune regulation. Thymulin levels decline dramatically with age, contributing to immunosenescence.
- Syn-Ake is a synthetic tripeptide that mimics waglerin-1, a peptide found in the venom of the Temple viper (Tropidolaemus wagleri). It acts as a reversible antagonist of muscular nicotinic acetylcholine receptors, temporarily reducing facial muscle contraction and smoothing dynamic wrinkles. Often called a 'synthetic Botox' in cosmetic marketing.
- Half-Life
- ~30 minutes active half-life
- Not applicable (topical; effect duration hours)
- Admin Route
- SubQ
- Topical
- Research
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- Typical Dose
- 20-30 mcg
- 0.01–0.1% (4–8 mg/g in clinical studies)
- Frequency
- 10 days per month (Khavinson protocol)
- Twice daily
- Key Benefits
- Enhances T-cell maturation and differentiation
- Boosts NK cell cytotoxic activity
- Reduces inflammatory cytokine production (TNF-α, IL-1)
- Anti-nociceptive (pain-reducing) properties
- Restores age-related immune decline
- Anti-inflammatory via serotonin pathway modulation
- Reduces depth of dynamic wrinkles and expression lines
- Reversible muscle-relaxing effect on facial muscles
- Smooths forehead lines, crow's feet, and frown lines
- Non-invasive alternative to injectable neurotoxins
- Rapid onset relative to collagen-stimulating peptides
- Well-studied in in vitro and clinical cosmetic trials
- Side Effects
- Injection site reactions
- Mild fatigue initially as immune system activates
- Generally very well-tolerated topically
- Rare skin sensitivity or contact dermatitis
- Theoretical neuromuscular effects at systemic doses (not relevant topically)
- Stacks With
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