Thymosin beta-4 dosage: reported doses and schedule

A peptide studied for eye conditions and skin wounds; tendon-repair injections lack controlled human evidence.

Also called: Tβ4, TB4, TB-4, Timbetasin, Timbetasin acetate, RGN-259, RGN-137, RGN-352, NL005, a recombinant Tβ4-related product.

Healing and repair peptides · Full-length actin-binding peptide; related recombinant trial formulations.

Typical reported dose: 500 mcg every other day

  • Synthetic Tβ4: 42 mg IV: 42 mg IV once; after safety review, 42 mg IV once daily for 14 days single dose; then daily for 14 days after safety review, into a vein. Studied in a trial. Studied in: Healthy adult volunteers. (source)
  • Synthetic Tβ4: 140 mg IV: 140 mg IV once; after safety review, 140 mg IV once daily for 14 days single dose; then daily for 14 days after safety review, into a vein. Studied in a trial. Studied in: Healthy adult volunteers. (source)
  • Synthetic Tβ4: 420 mg IV: 420 mg IV once; after safety review, 420 mg IV once daily for 14 days single dose; then daily for 14 days after safety review, into a vein. Studied in a trial. Studied in: Healthy adult volunteers. (source)
  • Synthetic Tβ4: 1260 mg IV: 1260 mg IV once; after safety review, 1260 mg IV once daily for 14 days single dose; then daily for 14 days after safety review, into a vein. Studied in a trial. Studied in: Healthy adult volunteers. (source)
  • NL005: 0.05 mcg/kg once: 0.05 mcg/kg IV once one dose, into a vein. Studied in a trial. Studied in: Healthy Chinese adults. (source)
  • NL005: 0.25 mcg/kg once: 0.25 mcg/kg IV once one dose, into a vein. Studied in a trial. Studied in: Healthy Chinese adults. (source)

These are doses reported in labels, trials or user reports, not a personal plan. Check the source behind each one.

Work out syringe units with the dosing calculator

Related to Thymosin beta-4

Sources

Sources checked: 2026-10-18.

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