TB-500

Quickstart Highlights

TB‑500 is a synthetic peptide fragment corresponding to the active region of thymosin beta‑4 (Tβ4), a naturally occurring 43‑amino‑acid protein involved in tissue repair and regeneration.

• Reconstitute: 2 mL BAC water per labelled 10 mg vial. Calculations assume a final volume of 2 mL (5 mg/mL nominal).
• Scale conversion: 1 U-100 unit = 0.01 mL; at this concentration, that corresponds to 50 mcg.
• Storage: Lyophilized: store at −20 °C (−4 °F); after reconstitution, refrigerate at 2–8 °C (35.6–46.4 °F); do not freeze reconstituted solution.

Protocol Overview

Measurement-reference overview.

• Goal: Support tissue repair, wound healing, and angiogenesis through the active thymosin beta‑4 fragment mechanism.
• Reconstitution: 2 mL BAC per labelled 10 mg vial; nominal 5 mg/mL under the stated final-volume assumption.
• Storage: Lyophilized frozen; reconstituted refrigerated; avoid freeze–thaw cycles of reconstituted solution.

Measurement scope

These are concentration-to-volume calculation examples. The amounts shown do not establish a recommended dose, frequency, escalation schedule or treatment duration. The evidence reviewed for this page does not validate the previous schedule for this product and use.

Storage Instructions

Proper storage preserves peptide quality and activity.

• Lyophilized: Store at −20 °C (−4 °F) in dry, dark conditions; minimize moisture exposure.
• Reconstituted: Refrigerate at 2–8 °C (35.6–46.4 °F); do not freeze reconstituted solution as freezing can denature peptides.
• Allow vials to reach room temperature before opening to reduce condensation uptake.
• Use reconstituted vials within 28 days when stored with bacteriostatic water preservative.

Important Notes

Practical considerations for consistency and safety in research protocols.

• Use new sterile insulin syringes for each injection; dispose in a sharps container.
• Rotate injection sites (abdomen, thighs, upper arms) to reduce local irritation and lipohypertrophy.
• Inject slowly; wait a few seconds before withdrawing the needle to prevent backflow.
• Document the measured amount, injection site, and any observations to maintain consistency.
• Regulatory Note: TB‑500 is banned by WADA for athletic use and is not FDA‑approved for human administration.

How This Works

TB‑500 represents the N‑terminal active fragment of thymosin beta‑4, specifically the heptapeptide sequence Ac‑LKKTETQ. This region is responsible for the actin‑binding and cell‑migration properties of the full thymosin molecule. Preclinical studies demonstrate that TB‑500 promotes angiogenesis, accelerates wound healing, and supports tissue regeneration by upregulating cell motility and blood vessel formation. Research in animal models shows enhanced collagen deposition and reduced healing time in injury sites treated with thymosin fragments. Recent metabolic studies suggest TB‑500 may act as a prodrug, cleaving to an active pentapeptide metabolite that drives biological activity.

Potential Benefits & Side Effects

Observations from preclinical and veterinary literature.

• Supports accelerated wound healing and tissue repair through enhanced angiogenesis and cell migration.
• May reduce inflammation and fibrosis indirectly via thymosin pathways observed in animal models.
• Generally well tolerated in veterinary studies; occasional mild injection‑site reactions (redness, tenderness) reported.
• Human safety data is limited; no large‑scale clinical trials have been completed for TB‑500 specifically.

Lifestyle Factors

Complementary strategies for optimal research outcomes.

• Maintain adequate protein intake to support tissue repair and regeneration processes.
• Combine with appropriate physical activity; avoid overtraining during injury recovery phases.
• Prioritize sleep (7–9 hours) to maximize natural recovery and repair mechanisms.
• Manage stress levels through evidence‑based practices to support overall healing.

Injection Technique

General subcutaneous guidance from clinical best‑practice resources.

• Clean the vial stopper and skin with alcohol; allow to air dry completely.
• Pinch a skinfold at the injection site; insert the needle at 45–90° into subcutaneous tissue.
• Do not aspirate for subcutaneous injections; inject slowly and steadily.
• Rotate sites systematically within approved areas (abdomen, thighs, upper arms) to avoid lipohypertrophy.
• Wait 5–10 seconds after injection before withdrawing needle to prevent medication leakage.

Recommended Source

Note: Product availability and specifications subject to change. Verify current product details on supplier website.
Shop at Amino Labs