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TB-500 (Thymosin Beta-4) | Rapid Tissue Repair | 2mg – 20mg| >99% Purity

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Chemical Specifications
Product Name TB-500 (Thymosin Beta-4 Acetate)
CAS Number 77591-33-4
Molecular Formula C212H350N56O78S
Molecular Weight ~4963.4 g/mol
Purity (HPLC) ≥ 99.0%
Appearance White Lyophilized Powder
Storage Store at -20°C (Protect from light and moisture)
🧬

What is TB-500 (Thymosin Beta-4)?

TB-500 is a synthetic version of the naturally occurring 43-amino acid peptide Thymosin Beta-4. Available in highly purified 2mg to 20mg research vials, it is widely recognized as the “Recovery King” in modern sports medicine and cellular regeneration. Because of its extraordinarily low molecular weight and unique actin-binding properties, TB-500 travels systemically through the bloodstream to locate sites of injury, dramatically accelerating the healing of severe muscle tears, damaged tendons, and inflamed ligaments while forcing the creation of new blood vessels in oxygen-starved tissues.

Key Features & Research Benefits

🛠️

Tendon & Ligament Repair

Excels at healing connective tissues that traditionally have poor blood supply. It accelerates cellular migration to the site of micro-tears and structural damage, drastically cutting down recovery time from acute sports injuries.

🩸

Angiogenesis (New Blood Vessels)

Acts as a profound catalyst for angiogenesis. It commands the body to form new vascular networks around injured tissues, ensuring a massive influx of oxygen, nutrients, and healing cells directly into the trauma zone.

🛡️

Systemic Anti-Inflammation

Provides robust, whole-body anti-inflammatory effects. By down-regulating inflammatory cytokines at the cellular level, it rapidly reduces swelling, stiffness, and chronic pain associated with joint degradation and muscle overuse.

🏃

Enhanced Flexibility & Mobility

Noted for its ability to reduce muscle spasms and break down internal scar tissue (fibrosis). Researchers consistently observe significant improvements in range of motion and joint flexibility following administration.

❤️

Cardioprotective Properties

Clinical models highlight its ability to repair heart tissue following ischemic events (heart attacks). It aids in the regeneration of the myocardium and prevents ventricular remodeling by promoting cellular survival.

💇

Hair Follicle Regeneration

Emerging research shows that Thymosin Beta-4 plays a crucial role in hair growth. It stimulates the stem cells within hair follicles, promoting the regeneration of lost hair and improving overall scalp health.

How It Works: Actin Up-regulation

The miraculous healing capabilities of TB-500 (Thymosin Beta-4) are primarily driven by its ability to up-regulate a vital cellular building block called Actin.

Actin is a protein that forms the microscopic structural framework (cytoskeleton) of every cell in the human body. It is heavily involved in cell movement, division, and structural integrity. When muscle tissue, tendons, or organs are injured, TB-500 binds directly to actin. This binding action essentially “unlocks” the actin, allowing cells to rapidly change shape, multiply, and physically migrate across long distances directly into the wound bed to begin the repair process.

Furthermore, because TB-500 has a very low molecular weight and does not bind tightly to the extracellular matrix, it is highly systemic. Unlike localized treatments that stay exactly where you inject them, TB-500 circulates freely throughout the entire bloodstream. It acts like a heat-seeking missile, automatically finding areas of high inflammation and tissue damage (even deep within joints or organs) and triggering Angiogenesis—the sprouting of new blood vessels. This creates permanent new pathways to feed oxygen to previously “dead” or extremely slow-healing connective tissues.

🧪 What’s In The Vial

  • Active Compound: Thymosin Beta-4 (Acetate)
  • State: Sterile, Lyophilized Powder
  • Format: Multi-dose Research Vials
  • Net Contents: As selected (2mg to 20mg)
  • Purity: ≥99.0% (HPLC)

👩‍🔬 Who Uses It

  • Sports Medicine & Orthopedic Labs
  • Hypertrophy & Physical Therapy Clinics
  • Cardiovascular Regeneration Scientists
  • Anti-Aging & Longevity Researchers
  • Veterinary (Equine) Performance Experts

🔗 Best Paired With

  • Sterile Bacteriostatic Water (BAC)
  • BPC-157 (The Ultimate “Wolverine Stack”)
  • Calibrated Precision Syringes
  • Vial Storage Organizers (-20°C)

As Mentioned On

CNN CNBC MNT Forbes BBC ABC News Bloomberg CNN CNBC MNT Forbes BBC ABC News Bloomberg

Real People, Real Transformations

See what dedicated research protocols have achieved.

Meet Liam, 24 Years Old Muscle gain transformation BEFORE AFTER 16 WEEKS
16 weeksDURATION
+18 lbsLEAN MASS
-7%BODY FAT

"RESEARCHER NOTES: This subject struggled to gain weight for years. Upon introducing the CJC-1295 / Ipamorelin blend protocol, the results clicked. Muscle fullness improved significantly, and recovery time was cut in half."

— Liam, age 24
Meet Marcus, 30 Years Old Muscle gain transformation BEFORE AFTER 12 WEEKS
12 weeksDURATION
+14 lbsLEAN MASS
-9%BODY FAT

"I'd been training for years but never really saw the results. Once I started my IGF-1 LR3 and BPC-157 protocol, everything clicked. The lean tissue gains and joint recovery are unreal."

— Marcus, age 30
Meet Sarah, 29 Years Old Muscle gain transformation BEFORE AFTER 12 WEEKS
12 weeksDURATION
+10 lbsLEAN MASS
-8%BODY FAT

"I wanted muscle tone without 'bulking'. Adding Ipamorelin to my regimen allowed me to train consistently. The mirror shows lean changes I couldn't achieve with diet alone."

— Sarah, age 29
Meet David, 45 Years Old Weight loss transformation BEFORE AFTER 12 WEEKS
12 weeksDURATION
-28 lbsTOTAL WEIGHT
-15%BODY FAT

"RESEARCHER NOTES: Targeted a stubborn fat protocol with Tirzepatide. This subject experienced a massive reduction in visceral fat within the first 6 weeks without losing lean mass."

— David, age 45
Meet Emily, 32 Years Old Weight loss transformation BEFORE AFTER 16 WEEKS
16 weeksDURATION
-24 lbsTOTAL WEIGHT
-12%BODY FAT

"The fat just wouldn't budge around my mid-section. Once I introduced Semaglutide into my research protocol, the weight loss was immediate, sustainable, and my cravings disappeared."

— Emily, age 32
Meet Daniel, 41 Years Old Weight loss transformation BEFORE AFTER 12 WEEKS
12 weeksDURATION
-35 lbsTOTAL WEIGHT
-18%BODY FAT

"By targeting metabolic efficiency with Tesamorelin and AOD-9604, muscle tissue was preserved while stubborn visceral fat melted away. Completely different physique."

— Daniel, age 41
Meet Chloe, 27 Years Old Face skin repair BEFORE AFTER 8 WEEKS
8 weeksDURATION
+45%CLARITY
+60%ELASTICITY

"I struggled with persistent redness and uneven texture. After adopting a GHK-Cu peptide protocol, the inflammation vanished. My skin literally glows from the inside."

— Chloe, age 27
Meet Jason, 36 Years Old Face skin regeneration BEFORE AFTER 12 WEEKS
12 weeksDURATION
+55%REPAIR
+30%YOUTHFUL

"My face looked permanently tired. Working with Epithalon and GHK-Cu was a game changer. Pores minimized, fine lines reduced, and I'm sleeping deeper too."

— Jason, age 36

Trusted by happy customers

TrustScore 4.9 | 129 reviews

M

Michael T.

Verified Buyer
March 2, 2026

Zero side effects and amazing results with Tirzepatide!

"I tried other sources, but the Tirzepatide here is different. No nausea, and my research showed complete appetite control. I'm leaner and have more energy than I haven't seen in years. Impressive quality."

A

Alex R.

Verified Buyer
February 28, 2026

Unreal weight loss results with Semaglutide!

"I started researching Semaglutide after struggling for years. The quality here is top-notch. My research protocol showed massive appetite suppression immediately. Trustworthy source, fast shipping."

S

Sarah J.

Verified Buyer
February 20, 2026

BPC-157 healed my stubborn shoulder injury

"This subject tweaked her shoulder lifting. A strict protocol with their BPC-157 (Injectable) reduced pain and inflammation in days. The purity is undeniably professional."

J

Jennifer D.

Verified Buyer
February 14, 2026

Stubborn visceral fat finally gone with Retatrutide

"I needed to break a plateau. Switching my research protocol to Retatrutide did exactly that. The purity tested exceptionally high in my lab. Highly recommend."

J

James M.

Verified Buyer
February 08, 2026

Effective gut healing with BPC-157 Tablets

"Ordered BPC-157 (Tablets) for digestive research. Very effective for gut healing, and the quality is A+ grade. I might try the injectable version next cycle to compare absorption, but overall very reliable."

C

Chloe L.

Verified Buyer
January 29, 2026

Skin regenerated completely using GHK-Cu

"Adopted a strict GHK-Cu regenerative protocol, and the inflammation vanished. My subject's skin glows and looks exceptionally youthful. Best purity on the market."

L

Liam P.

Verified Buyer
January 15, 2026

Exceptional muscle mass gains and deep sleep

"I couldn't bulk effectively due to recovery issues. Once I added the CJC-1295 / Ipamorelin blend protocol, the changes were hard to ignore. Full body composition shifted, deeper sleep, and impressive joint recovery."

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TB-500 (Thymosin Beta-4) 2mg
TB-500 (Thymosin Beta-4) | Rapid Tissue Repair | 2mg – 20mg| >99% Purity

Price range: $49.99 through $299.99
You save

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