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TB-500, Thymosin Beta-4
How it is taken
The schedule
| Route | Injection under the skin |
|---|---|
| Amount to start | 2.5 mg |
| How often | Twice a week |
| When | Same days each week, any time of day |
| Steps up and down |
|
| How long | 8 to 12 weeks |
| Cycle | 8 to 12 weeks on, then at least 4 weeks off before a second round |
| Mixing | Add 2 mL bacteriostatic water slowly down the side of the vial. Swirl, never shake. |
| Storage | Before mixing: freezer or fridge, dark. After mixing: fridge, never frozen, use within 4 weeks. |
TB-500 is taken as an injection under the skin. Start with 2.5 mg twice a week for 4 to 6 weeks, then drop to 2 mg once a week for 4 to 6 weeks.
Dose calculator
Change any box to work out a different amount.
How it works: strength per mL = vial strength ÷ water added. mL to draw = dose ÷ strength per mL. Units on a U-100 insulin syringe = mL × 100 (1 mL = 100 units). Doses per vial = vial strength ÷ dose. 1 mg = 1000 mcg.
Your personal schedule is set after we review your survey.
Sources
Read the original sources
- TB-500 dosing protocols, Peptide Protocol Wiki (practitioner reference) (Full text · checked 2026-10-13)