TB-500 (Thymosin Beta-4).
Peptide for tissue repair and reducing inflammation
Reviewed March 2026
- Category
- Peptide
- Also filed under
- Tissue RepairInflammationWound Healing
What TB-500 (Thymosin Beta-4) is, and what it does.
- Does it work
- Suits people who follow peptide research and want to know what the fragment is. The evidence is animal-stage and the route is injectable.
- How much to take
- The band on record is 2mg to 5mg a day, drawn from injectable research protocols. No oral human amount has been established.
- Time to feel it
- No controlled human study has measured an onset. Animal repair models show tissue changes over days to weeks after dosing.
- The first dose
- Day one gives nothing measurable outside a laboratory. In animal work the cell migration response starts well before anything is visible.
- With regular use
- Most effects take 2-8 weeks. Be patient.
- How well tolerated
- Generally well tolerated. Check with your doctor if on medications.
- How it feels
- There is no described subjective experience in controlled human work. What circulates online is self-report, not a measured outcome.
- The overlooked benefit
- The name is loose: thymosin beta-4 is a full actin-sequestering protein, while the material sold as TB-500 is a short fragment of its sequence.
2 to 5mg a day is where TB-500 (Thymosin Beta-4) works.
Source: Same as TB-500. Wound healing and tissue repair peptide. Goldstein et al., 2012
The proof, claim by claim.
These words describe the research, not the molecule's worth. Research strength is how much work stands behind one claim, and it is never a product score.
TB-500 (Thymosin Beta-4) has emerging evidence. Based on 3+ studies.
- actin sequestration and cell migrationIn vitro study
- wound and tissue repair measuresAnimal study
- corneal and dermal repair modelsAnimal study
Questions people ask about TB-500 (Thymosin Beta-4).
- When should I take it?
- Timing matters less than consistency. Pick a time that works for you and take it daily.
- Can I take it with other supplements?
- Usually fine. The main thing to watch is not doubling up on the same ingredient from different products. If you're on prescription meds, check with your pharmacist first.
- Any side effects to watch for?
- Most people tolerate it well at recommended doses. GI upset is the most common complaint with any supplement. Start with a lower dose and work up. If something feels off, stop and reassess.
- Who benefits most from this?
- Honestly, most people would benefit more from the basics. But if you've got a specific reason to try it, the risk is generally low.
No pairing data for TB-500 (Thymosin Beta-4) yet.
Nothing on file for TB-500 (Thymosin Beta-4), either from a combination trial or from settled biochemistry. When either lands, it appears here with its source.
Stitching two separate single-ingredient studies into a pairing is the one thing this engine will not do. When a study of the combination itself holds up at source, it lands here with its citation.
No invented synergy. Where actives were studied on their own rather than together, the record shows each on its own evidence, never a combined effect no trial measured.
Research strength. Research strength says how much work stands behind the combination. It is never a product score.
Independent record. Every finding is cited to a named trial, dated, and never written by the brand.
21 pairings are live across the library today. Checked 9 August 2026.
Nothing specific on file for TB-500 (Thymosin Beta-4). Match the label to the daily amount above, and tell your doctor what you take.
Not medical advice. Show the label to your pharmacist.Getting TB-500 (Thymosin Beta-4) from food.
The whole-food sources on file. A supplement closes the gap, it does not replace dinner.
A gram-for-gram figure (how much of each you would eat to match a dose) will appear here once it is sourced and reviewed. This page will not print a number it cannot cite.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.