TB500

TB-500 (Thymosin Beta-4 Fragment 17-23) is the active fragment of thymosin beta-4, a naturally occurring protein found in all cells that plays a critical role in tissue repair and regeneration. It promotes cell migration to injury sites — the first step in healing any tissue. Supplied as lyophilized powder with ≥98% purity (HPLC-verified).

How It Works

TB-500’s primary action is actin sequestration — it binds to actin, the protein that forms the cellular skeleton. This allows cells to become flexible and mobile, enabling them to migrate to injury sites. Once there, it stimulates angiogenesis (new blood vessel formation), reduces inflammation, and promotes tissue regeneration.

Research Data

• Wound healing: Research shows TB-500 accelerates wound closure by up to 40% faster compared to controls, driven by enhanced keratinocyte and fibroblast migration to wound edges.
• Muscle repair: Promotes muscle regeneration after injury by stimulating myoblast migration and differentiation. Animal studies show improved muscle fiber organization and reduced fibrosis.
• Angiogenesis: Stimulates new blood vessel formation essential for delivering oxygen, nutrients, and immune cells to damaged tissues.
• Anti-inflammatory: Reduces inflammatory cytokine production (TNF-α, IL-6) at injury sites, shifting from the inflammatory phase to the regenerative phase faster.
• Hair growth: Promotes hair follicle stem cell migration and activation, with research investigating applications in hair loss models.
• Neuroprotection: Emerging research shows protective effects in brain injury, stroke, and peripheral nerve damage models — promoting neuron survival and axonal regrowth.
• Cardiac protection: Studies demonstrate reduced scar size and improved cardiac function after heart attack in animal models.

Research Applications

• Wound healing and tissue regeneration
• Muscle injury and repair models
• Angiogenesis and vascular biology
• Neuroprotection and neuroregeneration

Product Specifications

• Purity: ≥98% (HPLC)
• Form: Lyophilized powder
• Solubility: Reconstitute in sterile bacteriostatic water

Storage & Handling

• Store lyophilized peptide at -20°C, protected from light and moisture.
• After reconstitution, aliquot and store at -20°C. Avoid repeated freeze-thaw cycles.

Disclaimer: This product is intended exclusively for laboratory and research purposes. It is not a drug, dietary supplement, or food product. Not for human or veterinary use.

What the Internet Says

This is what online communities discuss about this compound. Not medical advice, not a recommendation — just what people are saying. For laboratory research use only.

Community Buzz

TB-500 is the other half of the Wolverine equation. While BPC-157 gets all the celebrity status, the community knows that the real magic happens when TB-500 is added to the mix. TB works differently from BPC — instead of targeting one injury site, it works systemically throughout your whole body, promoting cell migration, reducing inflammation everywhere, and improving flexibility. The community describes it as “WD-40 for your joints” — everything just moves better. An unexpected discovery that keeps coming up: TB-500 may improve hair growth and reduce shedding. Originally popularized in horse racing before humans discovered it, TB-500 is rarely discussed alone anymore — it’s almost always mentioned in the same breath as BPC-157 in the famous “Wolverine stack.”

Why People Are Interested

• Whole-body healing and recovery. Unlike BPC which works best near the injection site, TB-500 travels everywhere — healing multiple issues at once, reducing systemic inflammation.
• Joints and flexibility dramatically improve. Users consistently report feeling “looser,” more flexible, with better range of motion. Old injuries that caused stiffness reportedly become less restrictive.
• Hair gets thicker and sheds less. An unexpected but widely reported benefit — users with thinning hair notice reduced shedding and new growth after TB-500 cycles.
• Heart and blood vessel health get support. TB promotes new blood vessel formation (angiogenesis), which the community interprets as cardiovascular protection — particularly interesting for recovery from heart-related events.

Popular Combinations

• TB-500 + BPC-157 (“Wolverine Stack”): The definitive combo. BPC heals the specific injury site, TB handles the systemic recovery. Almost nobody uses TB alone anymore — the combo is that much better.
• TB-500 + GHK-Cu: Healing + anti-aging — TB for tissue remodeling and anti-inflammation, GHK-Cu for collagen and skin repair.
• TB-500 + CJC/IPA: Comprehensive recovery — TB provides actin-mediated tissue repair while CJC/IPA adds systemic GH/IGF-1 support.

⚠️ Sourced from public forums (Reddit r/Peptides, r/Biohackers), sports medicine communities, and biohacking blogs. TB-500 is banned by WADA. There is community confusion between TB-500 (the 7-amino-acid active fragment) and full Thymosin Beta-4 (the 43-amino-acid protein). Community protocols are experimental. This information is for awareness only.