--- title: "Thymogen vs ARA-290: Side-by-Side Comparison (2026)" url: https://www.bodyhackguide.co/compare/thymogen-vs-ara-290 description: "Compare Thymogen vs ARA-290 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) # Thymogen vs ARA-290 Side-by-side comparison of Thymogen and ARA-290: mechanism, half-life, dose range, safety profile, and vendor pricing. Thymogen: no price on file ARA-290 from $32.00 ## Price snapshot ### Thymogen Current low — 7-day low — not enough history yet 30-day low — not enough history yet 30-day change — not enough history yet ### ARA-290 Current low $32.00 current listings 7-day low — not enough history yet 30-day low — not enough history yet 30-day change — not enough history yet ## Thymogen Thymogen (also transliterated Timogen or ╨ó╨╕╨╝╨╛╨│╨╡╨╜) is a synthetic dipeptide — glutamyl-tryptophan (Glu-Trp, or EW) — developed by the St Petersburg Institute of Bioregulation and Gerontology under Professor… No vendor price on file. Full Thymogen profile (https://www.bodyhackguide.co/compound/thymogen) ## ARA-290 ARA-290, also known as Cibinetide or pHBSP (Helix B Surface Peptide), is an 11-amino-acid peptide — QEQLERALNSS — designed to mimic a specific region of the tissue-protective surface of erythropoietin (EPO) without… **Lowest listed price:** $32.00 across 5 listings Full ARA-290 profile (https://www.bodyhackguide.co/compound/ara-290) ## Side-by-side comparison | Attribute | Thymogen | ARA-290 | | --- | --- | --- | | Category | Recovery | Recovery | | Research Stage | Approved in Russia / not Western-validated | Phase 2 | | Mechanism of Action | Thymogen's proposed mechanism is best understood in the context of thymic biology and the broader class of thymic peptide immunomodulators. The thymus is the primary organ of T-cell maturation - T-cell progenitors from bone marrow migrate to the thymus,… | ARA-290's mechanism of action is one of the more elegantly engineered examples of pharmaceutical design in the peptide space. Understanding it requires appreciation of the dual-receptor biology of erythropoietin and the specific receptor-selective engineering… | | Half-Life | short; not well characterized | ~2 minutes (plasma half-life; downstream tissue-protective effects persist hours to days) | | Typical Dose Range | 50-100 mcg intranasal per nostril 1-2x/day, or 100 mcg SC once daily; 10-day courses, 2-4x/year | 1 mg - 4 mg subcutaneous daily | | Dosing Frequency | — | Once daily | | Administration | — | — | | Side Effects | Thymogen's side-effect profile in the Russian clinical literature is described as mild and infrequent, consistent with its long history of registered pharmaceutical use in Russia. Users should weight this with modest skepticism given the limitations of the… | ARA-290 has demonstrated a notably favorable safety profile across clinical trials — one of the cleaner safety records among research peptides. The engineering rationale of separating tissue-protective effects from hematopoietic effects appears to have largely… | | Molecular Weight | ~333.3 g/mol (Glu-Trp) | ~1257 Da | | Common Vial Sizes | — | — | ## Price History 3 data points - Ion Peptide - BHG Labs - LB ### Thymogen: potential benefits - Immune system modulation - Thymic function restoration - Enhanced T-cell immunity - Immune anti-aging support ### ARA-290: potential benefits - Neuroprotective effects - Anti-inflammatory activity - Tissue repair without erythropoiesis - Potential diabetic neuropathy treatment - Sarcoidosis symptom reduction ## Frequently asked ### What's the difference between Thymogen and ARA-290? Thymogen is a recovery that thymogen's proposed mechanism is best understood in the context of thymic biology and the broader class of thymic peptide immunomodulators. the thymus is the primary organ of…. ARA-290 is a recovery that ara-290's mechanism of action is one of the more elegantly engineered examples of pharmaceutical design in the peptide space. understanding it requires appreciation of the…. The two differ in mechanism, half-life (short; not well characterized vs ~2 minutes (plasma half-life; downstream tissue-protective effects persist hours to days)), and typical dose range. ### Which has the longer half-life, Thymogen or ARA-290? Thymogen has a half-life of short; not well characterized. ARA-290 has a half-life of ~2 minutes (plasma half-life; downstream tissue-protective effects persist hours to days). Longer half-lives generally mean less frequent dosing but slower on/off kinetics. ### Can you stack Thymogen and ARA-290? Stacking depends on mechanism overlap, safety profile, and goals. Thymogen and ARA-290 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. Thymogen prices: https://www.bodyhackguide.co/compound/thymogen?tab=prices ARA-290 prices: https://www.bodyhackguide.co/compound/ara-290?tab=prices Compare all compounds: https://www.bodyhackguide.co/compare ### Before you buy Thymogen or ARA-290 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. 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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