TB-500 (Thymosin Beta-4) Dosage Guide: Protocols, Calculator & Safety
Everything you need to know about TB-500 (Thymosin Beta-4) dosing — protocols, safety, and where to buy.
Dose Range
2000-5000 mcg (2-5 mg) subcutaneous 2x weekly loading; 2000 mcg (2 mg) weekly maintenance
Frequency
2x per week during loading; 1x per week maintenance
Cycle Length
4–8 weeks loading, then 2–4 weeks maintenance
Half-Life
~6 hours (estimated from animal pharmacokinetic data)
Administration Routes
Quick Reconstitution Calculator
Calculate syringe units instantly
Syringe Draw
10.0 units
2500 mcg/ml · 0.100 ml draw
Dosing Protocols
2.5 mg subcutaneous injection twice per week for 4–6 weeks. Space injections 3–4 days apart.
5 mg subcutaneous twice per week for 6 weeks loading, then 2.5 mg once per week for 4 weeks maintenance.
5 mg subcutaneous twice per week for 8 weeks, stacked with BPC-157 (500 mcg 2x/day). Transition to 5 mg once weekly for ongoing maintenance.
Weight-Based Dosing
Commonly Stacked With
Stacks synergistically with BPC-157 for comprehensive soft tissue repair (Wolverine Stack: 500 mcg BPC-157 + 2 mg TB-500 twice weekly). Can be combined with GHK-Cu for skin and connective tissue repair.
Related Compounds — Deeper Research Paths — TB-500 is most commonly stacked with BPC-157 but works in broader tissue-regeneration protocols: GHK-Cu for collagen remodeling, MOTS-c for mitochondrial support during high-repair phases, IGF-1 LR3 for local anabolism, and the CJC-1295 + Ipamorelin GH stack for systemic IGF-1 elevation. Senolytic adjuncts: Fisetin and the Dasatinib + quercetin combo clear senescent cells that accumulate at chronic-injury sites and blunt TB-500's pro-migratory signaling.
Side Effects & Safety
Contraindications
Active cancer (theoretical concern with tissue growth promotion). Pregnancy or breastfeeding. Known hypersensitivity to thymosin beta-4 fragments.
Additional Notes
Reconstitute with bacteriostatic water. A 5mg vial with 1mL BAC water = 5mg per mL. TB-500 is systemic and does not need to be injected near the injury site. Store reconstituted vials refrigerated (2–8°C) and use within 3–4 weeks.
Where to Buy TB-500 (Thymosin Beta-4)
Compare 10 listings across 6 vendors — from $29.00
Frequently Asked Questions
What is the recommended TB-500 (Thymosin Beta-4) dosage?
The typical dose range for TB-500 (Thymosin Beta-4) is 2000-5000 mcg (2-5 mg) subcutaneous 2x weekly loading; 2000 mcg (2 mg) weekly maintenance. It is usually administered 2x per week during loading; 1x per week maintenance. Always start with the lowest effective dose.
How often should I take TB-500 (Thymosin Beta-4)?
2x per week during loading; 1x per week maintenance
Does TB-500 (Thymosin Beta-4) need to be cycled?
Yes, typical cycle length is 4–8 weeks loading, then 2–4 weeks maintenance.
What are TB-500 (Thymosin Beta-4) side effects?
Generally well-tolerated. Occasional mild headache, nausea, or lethargy. Localized irritation at injection site. Rare: flu-like symptoms, temporary fatigue during initial use.
Where can I buy TB-500 (Thymosin Beta-4)?
Compare 10 listings from 6 vendors on our price comparison page — starting from $29.00.
TB-500 (Thymosin Beta-4) Full Profile
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