How much bacteriostatic water with TB-500?
Most research-handling protocols use 1 mL or 2 mL of bacteriostatic water per 10 mg TB-500 vial. One millilitre yields a 10 mg/mL working concentration suited to larger per-draw doses; two millilitres yields 5 mg/mL for finer-resolution dosing across the typical 2-10 mg per-week range.
What the research literature says
TB-500 dosing across the published preclinical literature typically uses larger per-draw amounts than BPC-157 — typical protocols span 2 mg to 10 mg per draw on a once-to-twice weekly schedule across multi-week tissue-repair research programs. The published TB-500 (and full-length thymosin β4) work spans cardiac repair (PMID 15565145), dermal healing (PMID 27450738), corneal repair (PMID 11950239), and limb-ischemia angiogenesis (PMID 32945357).
For a 10 mg vial reconstituted with 1 mL of bacteriostatic water (10 mg/mL): a 2 mg dose draws 20 units on an insulin syringe; 5 mg draws 50 units; the full 10 mg fills the barrel of a 1 mL syringe. With 2 mL fill (5 mg/mL): 2 mg = 40 units, 5 mg = 100 units (full barrel). Smaller reconstitution volumes give higher concentration and lower per-draw volume; larger volumes give finer resolution at the cost of larger syringe draws.
Bacteriostatic water is the standard diluent across the catalog and supports the multi-week post-reconstitution stability window referenced for TB-500 specifically. The lyophilisation-stability framework (PMID 10967427) applies as for other catalog peptides.
Why this matters in research context
The reconstitution-volume choice for TB-500 is shaped by the larger per-draw doses typical of the compound’s published protocols. Smaller reconstitution volumes (higher concentration) keep per-draw syringe volumes practical at the higher dose tiers; larger volumes give finer precision for lower doses but push the higher doses past the 1 mL syringe barrel. The 1-2 mL range covers the most common dose-titration protocols.
Related compounds
- TB-500 10mg — the compound covered by this answer
- Wolverine Stack (BPC-157 + TB-500 blend) — combined-formulation; same reconstitution math at the vial level
Related research questions
- What is the half-life of TB-500?
- How much bacteriostatic water with BPC-157?
- Can BPC-157 be stacked with TB-500?
References
- Bock-Marquette I et al. Thymosin beta4 activates integrin-linked kinase and promotes cardiac cell migration, survival and cardiac repair. Nature 2004;432(7016):466-472. [PMID 15565145]
- Kleinman HK et al. Thymosin β4 Promotes Dermal Healing. Vitam Horm 2016;102:251-275. [PMID 27450738]
- Wang W. Lyophilization and development of solid protein pharmaceuticals. Int J Pharm 2000;203(1-2):1-60. [PMID 10967427]
Research-questions pages describe research-context use of peptide-research terminology. They do not constitute medical, veterinary, or clinical advice. TB-500 is sold strictly as a research-grade reagent for laboratory and bench research applications.