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TB-500
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TB-500
Healing
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Thymosin beta-4 fragment, studied for recovery and mobility.
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Class
Healing, recovery
Forms
Injectable
Typical dose
4 to 5 mg/week
Cycle
4 to 6 week load
Onset
Recovery over weeks
Tolerance
Generally well tolerated
Educational summary. See Sources & research below for the underlying studies.
What it is
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TB-500 is a synthetic Thymosin beta-4 fragment, studied for whole-body recovery and flexibility.
• Best for: systemic recovery, mobility, stubborn soft-tissue injuries
• Partner: classically stacked with BPC-157 (the Wolverine stack)
• Edge: works body-wide, not just at one site
How it works
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It helps cells move and rebuild after injury.
• Regulates actin, a key cell-building protein
• Improves cell migration to damaged areas
• Supports flexibility and whole-body repair
Dosing and mixing
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Reference tiers only. Track the dose you are already taking.
Low
1 mg, twice weekly
FOR Upkeep or maintenance after loading
BENEFIT Often picked as a maintenance tier after a loading period
Standard
2 to 2.5 mg, twice weekly
FOR The typical recovery goal, 4 to 6 weeks
BENEFIT The loading range most often cited in recovery discussions
High
3 to 5 mg, twice weekly, acute injury
FOR A significant injury needing max repair
BENEFIT A higher-exposure tier discussed for significant injuries, with tapering commonly mentioned
Schedule: Load twice weekly for 4 to 6 weeks, then drop to maintenance.
Beginner ramp: Start in the loading range, then taper once it settles.
Mixing (reconstitution)
BAC water is bacteriostatic water, the sterile water you mix in.
A 5 mg vial with 2 mL BAC water is a common starting point.
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Ranges are reference only, not a recommendation. See Sources & research below.
How to take it
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Inject under the skin a couple of times per week.
• No need to inject at the injury, it acts body-wide
• Rotate the spot to avoid irritation
• Refrigerate the mixed vial between doses
What to expect
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Week 1
Subtle. Some feel a head-rush right after a dose.
Weeks 2 to 3
Recovery and flexibility start to improve.
Weeks 4 to 6
Main loading window, the biggest gains in repair.
Weeks 6 and on
Drop to maintenance, or taper off once healed.
Keep in mind
Best paired with BPC-157 and real rest.
Side effects
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Commonly reported
• Fatigue or a head-rush shortly after use
• Occasional injection-site irritation
See a clinician if
• Signs of an allergic reaction
Storage
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Keep it cold, before and after mixing.
• Powder: refrigerate
• After mixing: fridge, use within about 4 weeks
• Do not freeze, keep out of light
Common stacks
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• TB-500 + BPC-157: the Wolverine stack, chosen by people researching more than one recovery pathway
• TB-500 + GHK-Cu: chosen by people researching recovery alongside skin and connective tissue
Sources & research
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Preclinical studies
Animal models show faster healing and better cell migration.
Human data
Limited, most use is real-world and anecdotal.
Sources are provided for education and are not exhaustive. Where a source names a specific trial or journal it is shown above; always confirm with a licensed clinician.
Educational and research information only. Not medical advice. Always confirm dosing and safety with a licensed clinician.
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