Healing & Repair
TB-500
A 17-amino-acid fragment of Thymosin Beta-4 investigated for promoting cellular migration in connective and vascular tissue models.
Also known as: Thymosin Beta-4 fragment
Quick facts
Molecular weight
4,963 Da
Half-life
60 h
Frequency
twice weekly
Admins / wk
2
Routes
SubQ / IM
Typical dose
2.00 mg–5.00 mg
Mechanism & positioning
A 17-amino-acid fragment of Thymosin Beta-4 investigated for promoting cellular migration in connective and vascular tissue models.
Researched for: actin sequestration, cell migration, tissue regeneration.
Reconstitution defaults
Default vial
5 mg
BAC water
2 mL
Concentration
2500 mcg/mL
Doses per vial
~2
Other stocked vial sizes: 10 mg.
Calculate with this peptide
Documented pairwise interactions
- caution
TB-500 + BPC-157
Frequently co-investigated for healing; no documented adverse pairwise interaction.
References
- Goldstein AL et al., Br J Cancer, 2005.
- Crockford D et al., Ann NY Acad Sci, 2010.
Related peptides in the Healing & Repair class
Frequently asked questions about TB-500
What is the typical research dose range for TB-500?
TB-500 is most commonly investigated at 2.00 mg–5.00 mg per administration, twice weekly. Note: loading: 5 mg twice weekly. These values reflect documented research-stage protocols and are not medical recommendations.
What is the half-life of TB-500?
TB-500 has an approximate plasma half-life of 60 hours. Practical steady state is reached after roughly five half-lives — about 13 days under continuous administration.
How is TB-500 administered in research protocols?
Published research uses subq or im administration. Typical reconstitution is 5 mg vial in 2 mL of bacteriostatic water, producing a concentration of 2500 mcg/mL.
What vial sizes are commonly available for TB-500?
Common stocked vial sizes are 5 mg, 10 mg. The 5 mg vial is the most-used default in published protocols.