A synthetic version of a protein your body makes naturally called Thymosin Beta-4. It plays a role in how your body heals wounds, builds new blood vessels, and reduces inflammation.
What is this used for?
What dose is typical for your goal?
- Typical dose
- 2–2.5 mg
- How it's taken
- Injection under the skin
- How often
- Twice a week (loading), then once a week
- Most common starting point
- 2 mg twice a week for 4–6 weeks (loading phase), then 2 mg once a week
Based on published studies and what providers typically prescribe.
These are typical doses from research and real prescriptions — not a recommendation for you specifically. Your provider will adjust based on your body, your goals, and your health history.
Want your exact dose? A provider will personalize this for you.
Find a ProviderHow do you take it?
These are typical doses from research and real prescriptions — not a recommendation for you specifically. Your provider will adjust based on your body, your goals, and your health history.
What to expect
1 / 4Days 1-14
Loading phase. Most people don't feel dramatic changes yet, but tissue repair is happening beneath the surface.
Week 3-4
Improved range of motion and reduced stiffness commonly reported. Recovery between workouts feels faster.
Week 5-6
Full systemic effects. Muscle recovery, injury healing, and flexibility improvements at their peak.
Week 6+
Typically followed by a maintenance phase (once weekly) or a 2-4 week break.
Individual experiences vary. Results depend on your body, goals, and protocol adherence.
How well researched is this?
Strong Animal & Lab Research
Extensive published studies on tissue repair and cell migration. Human clinical data is limited.
Legal status
Currently restricted by the FDA and cannot be legally compounded. This status may change — we'll update this page when it does.
2026 reclassification status updates coming soon.
Purity
Purity measures how clean and accurate the compound is. Higher purity means fewer contaminants and more reliable dosing.
HPLC Purity Tested
Always require a Certificate of Analysis (CoA) from a US-based compounding pharmacy.
Common questions
Ready to start?
Consult with a licensed provider to determine the right protocol for your goals.






