1Set Up Your Mix
3.333 mg/mL · 3333 mcg/mLYour Answer — TB-500
10 mg in 3 mLThe studies behind this compound did not test timing or food state as variables, so we are not going to invent a rule. Pick a time you can keep to consistently.
2Week-By-Week Plan — TB-500
Step up from 500 mcg over 12 weeks| When | Dose | How Often | How Many mL | Draw To | Number Of Doses | Peptide Used |
|---|---|---|---|---|---|---|
| Weeks 1–2 start here |
500 mcg | daily | 0.15 mL | 15 u | 14 | 7 mg |
| Weeks 3–4 | 600 mcg | daily | 0.18 mL | 18 u | 14 | 8.4 mg |
| Weeks 5–8 | 750 mcg | daily | 0.225 mL | 22.5 u | 28 | 21 mg |
| Weeks 9–12 most stop here most stay here |
1000 mcg | daily | 0.3 mL | 30 u | 28 | 28 mg |
3Common Doses — TB-500
worked out for your mix| Level | Dose | How Often | How Many mL | Draw To | Doses In Vial |
|---|---|---|---|---|---|
| Weeks 1–2 | 500 mcg | once daily | 0.15 mL | 15 u | 20 doses |
| Weeks 3–4 | 600 mcg | once daily | 0.18 mL | 18 u | 16 doses |
| Weeks 5–8 | 750 mcg | once daily | 0.225 mL | 22.5 u | 13 doses |
| Weeks 9–12 | 1000 mcg | once daily | 0.3 mL | 30 u | 10 doses |
About TB-500
Tissue Repair & RecoveryA synthetic fragment of thymosin beta-4, the actin-sequestering protein. Full-length Tβ4 reached human trials for dry eye and cardiac indications; the truncated research fragment sold as TB-500 has not. Dosing conventions come from the research community, loosely anchored to preclinical Tβ4 work.
Buy TB-500
SyringesU-100 insulin · 1 mL · 29–31G
Alcohol wipes70% isopropyl prep pads
Serum base — for topical mixesHyaluronic acid serum for mixing peptides into a serum
Electric cooler caseTSA-approved travel cooler — keeps mixed vials at fridge temperature
Storage caseHard carry case for vialsPaid affiliate links.
Common Questions — TB-500
How much bacteriostatic water do I add to a 10 mg vial of TB-500?
Adding 3 mL of bacteriostatic water to a 10 mg vial gives 3.33 mg/mL. That is the mix every number on this page is worked out from — change the water figure in the calculator and all the draw amounts update.
What dose of TB-500 is used in research?
Published and reported figures for TB-500 on this protocol run from 500 mcg to 1000 mcg daily, stepping up over twelve weeks. This site lists each figure with the source it came from rather than giving a single recommended number.
How many units on the syringe is a 500 mcg dose of TB-500?
At 3.33 mg/mL, a 500 mcg dose is 15 units on a 1 mL U-100 insulin syringe. One vial at that mix gives about 20 doses.
How strong is the evidence behind these TB-500 doses?
TB-500 is graded preclinical. Laboratory and animal data only. No human dosing trials have been published. We grade every compound on this site so you can weigh the numbers accordingly — the full method is on our editorial policy page.
Is there a TB-500 titration schedule?
Yes — Loading and maintenance phases. The week-by-week table on this page converts each step into the exact amount to draw for your mix.