Not medical advice. TB-500 is sold for research. This guide does not recommend dosing, diagnosis, or therapy.
TB-500 (a Thymosin Beta-4–related fragment) is researched for actin -the cell’s internal scaffolding -and how cells move during repair. That makes it a frequent reference point in wound and soft-tissue injury science.
One-paragraph overview from our research datasheet—still scientific, but faster to read than the full mechanism list below.
TB-500 synthetic Thymosin Beta-4 fragment promotes systemic tissue repair via G-actin sequestration, angiogenesis, and NF-κB-mediated anti-inflammatory signaling.
Many readers want context before diving into pathways. The list below summarises what researchers and reviewers discuss—cells, animals, and (for some drug-class molecules) formal clinical trials. It is not a promise of results for any individual.
“Reported” means described in the literature, not recommended for personal use. Our peptides are for laboratory research only.
Compounds in this family are frequently studied in models of tissue injury, wound closure, and how cells reorganise after damage. Research looks at cell movement, blood-vessel support, and inflammatory balance -not at replacing medical care.
Below are mechanistic bullet points as they appear in our product reference material -useful for researchers comparing pathways. They are not simplified health claims.
Storage: Lyophilised powder: store in freezer (−20 °C). Reconstituted: refrigerate 1–6 °C, away from sunlight. ~5% degradation per year refrigerated. - see our storage guide for best practices on temperature, light, and shelf life.
Typical research dosing discussion (literature-style): 2-2.5 mg twice weekly (loading); 2-2.5 mg weekly (maintenance) · Twice weekly for 4-6 weeks loading phase, then weekly or biweekly maintenance · Subcutaneous t½ = 1.5-3 hours in rodent models. Cmax 200-400 ng/mL at Tmax 0.5-1 hr (6 mg/kg dose). Full-length Tβ4 MW 4921 Da (43 aa); TB-500 fragment MW 889 Da (7 aa). As an intrinsically unstructured peptide, it adopts minimal secondary structure in solution.
For preparation, follow the step-by-step reconstitution guide and use the reconstitution calculator to confirm draw volumes. Review subcutaneous injection basics for technique, and always verify batch purity by reading the COA.
What is TB-500 in plain language?
TB-500 is a research peptide we catalogue under “Healing / Recovery.” This article explains how scientists discuss it in published literature and what study types usually appear—not as a consumer product claim.
Does this page give medical advice or dosing instructions for TB-500?
No. Content is for laboratory and research literacy only. It does not diagnose, treat, or prevent disease, and is not a dosing guide.
Where can I see purity, variants, and pricing for TB-500?
Use the “View product” button to open the canonical shop listing for TB-500, where specifications and research SKU details are shown.
What about online case reports, before-and-after stories, or forum “logs” for TB-500?
Those sources are not peer-reviewed evidence. This guide focuses on preclinical literature and, where relevant, formal clinical trial programmes for drug-class molecules. Anecdotes may be interesting culturally; they are not a safe basis for dosing or medical decisions.
Open the shop listing for variants, purity notes, and research SKU details.
View productAlso known as: Thymosin Beta-4 Fragment, Tβ4, TB4, TB-500, Fequesetide, Ac-LKKTETQ, Thymosin β4 Active Fragment, Actin-Binding Peptide