--- title: "Livagen vs Thymalin: Side-by-Side Comparison (2026)" url: https://www.bodyhackguide.co/compare/livagen-vs-thymalin description: "Compare Livagen vs Thymalin side by side. We earn a commission on some vendor links. Mechanism, half-life, dose range, side effects and prices." lang: en --- Skip to content Compare notes on r/BodyHackGuide (https://reddit.com/r/bodyhackguide) Compare notes with other researchers. Join r/BodyHackGuide (https://reddit.com/r/bodyhackguide) # Livagen vs Thymalin Side-by-side comparison of Livagen and Thymalin: mechanism, half-life, dose range, safety profile, and vendor pricing. Livagen: no price on file Thymalin from $44.99 ## Price snapshot ### Livagen Current low — 7-day low — not enough history yet 30-day low — not enough history yet 30-day change — not enough history yet ### Thymalin Current low $44.99 current listings 7-day low — not enough history yet 30-day low — not enough history yet 30-day change — not enough history yet ## Livagen Livagen is a short synthetic peptide developed in Russia by Vladimir Khavinson and his collaborators at the St. Petersburg Institute of Bioregulation and Gerontology, positioned as a "liver bioregulator" intended to… No vendor price on file. Full Livagen profile (https://www.bodyhackguide.co/compound/livagen) ## Thymalin Thymalin is a thymus-derived peptide complex developed in the 1970s by Vladimir Khavinson and the Leningrad (now St. Petersburg) Institute of Bioregulation and Gerontology as part of a broader program to identify… **Lowest listed price:** $44.99 across 2 listings Full Thymalin profile (https://www.bodyhackguide.co/compound/thymalin) ## Side-by-side comparison | Attribute | Livagen | Thymalin | | --- | --- | --- | | Category | Recovery | Peptides | | Research Stage | Preclinical | Clinical (Russia-registered; not FDA-approved) | | Mechanism of Action | Mechanism of Action Livagen's proposed mechanism is the standard Khavinson short-peptide bioregulator model applied to hepatic tissue. The framework, developed at the St. Petersburg Institute of Bioregulation and Gerontology across roughly 35 years, proposes… | Thymalin's mechanism of action is less precisely defined than that of single-molecule peptides, because the active principle is a mixture of peptides acting through multiple parallel pathways rather than a single well-characterized molecular interaction. The… | | Half-Life | — | Short for the individual peptides in the mixture (on the order of minutes to a few hours). Biological effects persist for weeks to months after a 10-day course, which is why Thymalin is given in discrete courses rather than continuously. | | Typical Dose Range | 20 mg oral/sublingual capsule once daily for 10 consecutive days per cycle (or 2-5 mg subcutaneous daily using synthetic peptide); 60-90 day washout between cycles | 5-15 mg | | Dosing Frequency | — | Once daily during a 10-day course; courses repeated 1-4 times per year (commonly biannually). | | Administration | — | — | | Side Effects | Side Effects and Safety Livagen has been administered to humans and rodents in Russian studies for roughly 25 years with a reassuringly sparse side-effect literature — but that literature is also extremely small, unblinded, and biased toward reporting positive… | Thymalin has a substantial safety record spanning four decades of Russian clinical use across hundreds of thousands of patients, with a relatively clean side-effect profile compared to many immunomodulatory agents. Common side effects (1-10% incidence in… | | Molecular Weight | ~461.5 Da (C18H31N5O9) | Not a single value - Thymalin is a thymic polypeptide EXTRACT (a mixture), not one defined molecule; its components are low-molecular-weight peptides, generally under ~10 kDa. Characterized active dipeptides: KE (Lys-Glu, ~275 Da) and EW (Glu-Trp, ~333 Da). | | Common Vial Sizes | — | — | ## Price History 2 data points - Ion Peptide - Disguised Alpha ### Livagen: potential benefits - Liver tissue repair and regeneration - Enhanced detoxification capacity - Hepatocyte function normalization - Liver anti-aging support ### Thymalin: potential benefits - No structured benefit list published. ## Frequently asked ### What's the difference between Livagen and Thymalin? Livagen is a recovery that mechanism of action livagen's proposed mechanism is the standard khavinson short-peptide bioregulator model applied to hepatic tissue. the framework, developed at the st.…. Thymalin is a peptides that thymalin's mechanism of action is less precisely defined than that of single-molecule peptides, because the active principle is a mixture of peptides acting through multiple…. The two differ in mechanism, half-life (not reported vs Short for the individual peptides in the mixture (on the order of minutes to a few hours). Biological effects persist for weeks to months after a 10-day course, which is why Thymalin is given in discrete courses rather than continuously.), and typical dose range. ### Which has the longer half-life, Livagen or Thymalin? Livagen has a half-life of not reported. Thymalin has a half-life of Short for the individual peptides in the mixture (on the order of minutes to a few hours). Biological effects persist for weeks to months after a 10-day course, which is why Thymalin is given in discrete courses rather than continuously.. Longer half-lives generally mean less frequent dosing but slower on/off kinetics. ### Can you stack Livagen and Thymalin? Stacking depends on mechanism overlap, safety profile, and goals. Livagen and Thymalin should only be stacked after reviewing each compound's individual protocol page, side effect profile, and any published interaction data. Use the BodyHackGuide stack builder for a structured review before combining research compounds. ## See current vendor prices Listings from the vendors we track. Prices change often, so check the vendor before you buy. Livagen prices: https://www.bodyhackguide.co/compound/livagen?tab=prices Thymalin prices: https://www.bodyhackguide.co/compound/thymalin?tab=prices Compare all compounds: https://www.bodyhackguide.co/compare ### Before you buy Livagen or Thymalin Check the vendor trust score. Every supplier we track is rated 0-100 on COA verification, payment transparency, shipping, reviews, and listings: one published, reproducible methodology, applied to every vendor. View Vendor Scorecard (https://www.bodyhackguide.co/vendors/scorecard) ## Related comparisons **Research use only.** BodyHackGuide is a research and price-comparison reference. The compounds discussed on this page are not approved by the FDA for human consumption and are sold strictly for laboratory research. Prices shown are pulled from vendor listings tracked on BHG and are subject to change. We earn an affiliate commission on some outbound clicks, and every vendor is ranked on the same public, reproducible methodology. See editorial standards (https://www.bodyhackguide.co/editorial-standards) and affiliate disclosure (https://www.bodyhackguide.co/affiliate-disclosure). 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