TB-500 is a research compound. It is not approved by the FDA or any regulatory body for human use. This article is for educational and informational purposes only. Nothing here constitutes medical advice. Consult a qualified physician before considering any peptide use.
The most common research dosage for TB-500 is 2-5 mg (loading), 2 mg (maintenance), administered 2x weekly (loading phase), weekly (maintenance) via subcutaneous or intramuscular injection. Typical cycles run 4-6 weeks loading, then ongoing maintenance. With a half-life of approximately 2-3 hours, timing matters for optimal results.
What Is TB-500 and Why Does Dosing Matter?
TB-500 (Thymosin Beta-4 Fragment (TB-500)) is a 43-amino acid peptide. Naturally occurring peptide present in virtually all human and animal cells. Getting the dosage right is critical — too little may produce no measurable effect, while excessive amounts increase risk without proportional benefit.
The standard research dosage for TB-500 has been established through preclinical studies and community protocols. This guide covers the evidence-backed dosing range, timing, and cycle structure.
What Is the Recommended TB-500 Dosage?
The most widely used TB-500 dosage is 2-5 mg (loading), 2 mg (maintenance), administered 2x weekly (loading phase), weekly (maintenance) via subcutaneous or intramuscular injection.
Beginners should start at the lower end of this range and titrate upward only if needed. The half-life of TB-500 is approximately 2-3 hours, which directly determines how often you need to dose to maintain stable blood levels.
For TB-500 specifically, the 4-6 weeks loading, then ongoing maintenance cycle length is standard. Longer isn't always better — 43-amino acid peptide compounds require cycling to maintain receptor sensitivity.
When Should You Dose TB-500?
With a half-life of approximately 2-3 hours, timing your TB-500 administration affects peak blood levels. Most protocols call for 2x weekly (loading phase), weekly (maintenance).
For peptides administered before bed (common with GH-related compounds), the goal is to amplify the natural nocturnal growth hormone pulse. For healing peptides, proximity to the injury site via local injection can improve outcomes.
Calculate Your TB-500 Dose
Use our free peptide dosing calculator to get exact reconstitution math and syringe units for TB-500.
Open Calculator →How Do You Reconstitute TB-500?
TB-500 typically comes as a lyophilized (freeze-dried) powder. Reconstitute with bacteriostatic water — never saline or sterile water, as BAC water contains 0.9% benzyl alcohol that prevents bacterial growth and extends shelf life to 4-6 weeks.
Use our peptide dosing calculator to determine the exact amount of BAC water to add based on your vial size and desired dose per injection.
How Long Should a TB-500 Cycle Last?
Standard TB-500 cycles run 4-6 weeks loading, then ongoing maintenance. This timeframe is based on the compound's mechanism and the time needed to observe measurable effects.
Research shows TB-500 accelerates wound healing, promotes cardiac repair after injury, reduces inflammatory cytokines, and supports dermal healing. Used extensively in equine medicine for over two decades with strong safety record.
What Side Effects Can Affect Dosing?
Generally well-tolerated. Temporary lethargy, head rush, or mild headache reported in some users. Minor injection site irritation possible. No organ toxicity documented in research.
If side effects emerge, the first step is typically reducing the dose rather than discontinuing entirely. Most TB-500-related side effects are dose-dependent.
How Does TB-500 Dosing Change When Stacking?
Pairs powerfully with BPC-157 in the 'Wolverine Stack' — TB-500 handles systemic inflammation and cardiac repair while BPC-157 targets gut and connective tissue. Also stacks well with GHK-Cu for skin and wound healing.
When stacking, some researchers reduce individual peptide doses by 20-30% since synergistic effects mean full doses of each aren't always necessary.
What Is the Bottom Line on TB-500 Dosing?
Start at 2, dose 2x weekly (loading phase), weekly (maintenance), and run cycles of 4-6 weeks loading, then ongoing maintenance. Monitor your response and adjust within the established range.
Source matters — always use research-grade TB-500 from vendors with third-party COA testing. Underdosed or contaminated products are the most common reason for poor results.
Complete Guide
TB-500 : Thymosin Beta-4, Research Evidence & Protocols
Related Reading
- TB-500 Benefits
- TB-500 Side Effects
- TB-500 Stacking Guide
- TB-500 Cycle Guide
- TB-500 Research
- BPC-157 Complete Guide
Research-Grade Sourcing
If you're going to research TB-500, source matters. These are the suppliers WolveStack has vetted for purity and third-party testing.
Frequently Asked Questions
What is TB-500?
TB-500 (Thymosin Beta-4 Fragment (TB-500)) is a 43-amino acid peptide. Naturally occurring peptide present in virtually all human and animal cells. It is researched for wound healing, tissue repair, inflammation reduction, hair regrowth, cardiac repair, flexibility improvement.
What is the recommended TB-500 dosage?
Common dosages: 2-5 mg (loading), 2 mg (maintenance) administered 2x weekly (loading phase), weekly (maintenance) via subcutaneous or intramuscular injection. Cycle length: 4-6 weeks loading, then ongoing maintenance. Half-life: approximately 2-3 hours. Use our peptide calculator for exact reconstitution math.
What are the side effects of TB-500?
Generally well-tolerated. Temporary lethargy, head rush, or mild headache reported in some users. Minor injection site irritation possible. No organ toxicity documented in research.
Is TB-500 safe?
TB-500 has shown a favorable safety profile in research. Not FDA-approved. Available as a research chemical. Banned by WADA in athletic competition. All research should follow appropriate safety protocols.