TB 500
SARMS and Peptides

TB 500

Manufacturer: Kalpa Pharmaceuticals
Pharmaceutical name: Thymosin beta 4
Pack: 2 ml vial (5 mg/ml)
⚠️ Provided in a lyophilized powder for stability

$27.00 $45.00
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TB 500 by Kalpa Pharmaceuticals

TB 500 is a research peptide from Kalpa Pharmaceuticals LTD, India, supplied as a 2 ml vial at 5 mg per ml of lyophilized powder. Its active substance is Thymosin beta 4.

Repair happens in stages, not all at once. Most TB 500 research is built around that timeline, because the peptide acts on cell movement, and cell movement matters most in the early part of healing.

The Repair Timeline And Where TB 500 Fits

In the first days after tissue damage, the site is cleared and blood flow is restored. Next comes the phase where repair cells travel in and lay down new structure. Later, the tissue remodels and strengthens. Thymosin beta 4 is studied mainly in the middle phase, because it regulates actin, the protein cells use to move. Studies often run for weeks so they can measure across all three stages, and the interesting question is whether the middle phase moves faster while the later remodelling phase stays organised rather than producing scar tissue.

Research Areas For TB 500

  • Cell migration - studied for how repair cells reach the damaged site.
  • Tendon and ligament - examined in connective tissue healing models.
  • Wound closure - tested across the full repair timeline.
  • Blood flow - looked at for how new vessels form in the area.
  • Remodelling - used where tissue quality is measured after healing.

All of this is laboratory research. TB 500 is not a medicine and is not sold for human use.

Vial Details

  • Manufacturer: Kalpa Pharmaceuticals
  • Pharmaceutical name: Thymosin beta 4
  • Pack: 2 ml vial, 5 mg per ml
  • Form: lyophilized powder for stability

Storing TB 500

Store the sealed vial out of direct light in a cool, dry place. Once mixed, keep it cold between 2 and 8 degrees Celsius and use it within a few weeks. Do not shake it. Roll it between your hands instead, and work with clean tools every time.

Stacks Other Labs Use

Repair research rarely runs one peptide. BPC 157 by Peptide Hubs covers the repair signal while TB 500 handles cell movement, and the TB 500 and BPC 157 Peptide Stack by Peptide Hubs puts both in one order. GHK-Cu 50mg by Dragon Pharma adds the collagen side. For another maker of TB 500, see TB 500 by Peptide Hubs.

Common Questions About TB 500

Why do these studies run for weeks?
Because repair has stages. Measuring only the first few days would miss the remodelling that decides the final tissue quality.

Do I need a prescription?
No. You can buy TB 500 without prescription from our shop.

Is TB 500 the same as Thymosin beta 4?
Yes. TB 500 is the shorter name for Thymosin beta 4.

Order TB 500

Adding TB 500 to your cart takes a minute. Pair it with BPC 157 for a full repair study, or browse the SARMS and Peptides category to compare every maker and pack size we stock.

Level Dose size Description
Dosage levels
Low 100 mcg Conservative entry point
Moderate 250 mcg Typical amount in research settings
High 500 mcg Upper limit of the commonly cited range
Essential information
Regulatory status Sold as a research compound; no human dose has FDA approval
Half-life Undetermined; estimates differ across sources
Administration Subcutaneous injection, just beneath the skin
Dosing frequency One to two times daily
Maximum researched dose 500 mcg
Reported side effects Injection-site reactions, nausea, stomach discomfort
Please note Values are unit conversions provided for reference, not medical guidance
Reconstitution calculator
Find out how much bacteriostatic water to add and how many units to draw on your syringe for your TB-500 dose.
Peptide in the vial
mg
Bacteriostatic water
mL
Dose you want
mcg
Syringe
Results
Choose your values and press Calculate.
Concentration —
Amount to draw —
Units to draw —
Doses in the vial —
How the math works
1. Find the concentration Divide the peptide in the vial by the water added. For example, 5 mg ÷ 2 mL = 2.5 mg/mL, which is 2,500 mcg/mL
2. Work out the volume Divide the dose by the concentration. For example, 100 mcg ÷ 2,500 mcg/mL = 0.04 mL
3. Convert to units On a U-100 syringe, multiply the mL by 100. For example, 0.04 mL = 4 units
4. Check the syringe Make sure the amount fits the syringe you are using
Worked example
Vial 5 mg TB-500
Water 2 mL bacteriostatic water
Dose 100 mcg
Syringe 100 units (1 mL)
Concentration 5 mg ÷ 2 mL = 2,500 mcg/mL
Amount to draw 100 mcg ÷ 2,500 mcg/mL = 0.04 mL, which is 4 units on a U-100 syringe
Disclaimer
This tool does math conversions only. It does not choose a dose for you or confirm product quality, safety, or medical suitability.

Reconstitution & Storage

Mixing a peptide takes about a minute. What people usually get wrong is what happens afterwards. Work through the steps in the guide above, then store the vial the way we lay out further down.

How to reconstitute peptides

How to Reconstitute

The five steps above cover it. Let the vial and the bacteriostatic water sit out until they reach room temperature. Then run the bacteriostatic water down the inside wall of the vial, slowly, so it does not foam up. Swirl it gently until the powder is gone. Do not shake the vial, and do not squirt the bacteriostatic water straight onto the powder.

How to Store the Mixed Peptide

As soon as it is mixed, put the vial back in the fridge. 2 to 8°C (35.6°F to 46.4°F) is what you want, and it stays there until you have used it up. Write the mixing date on the label. Do not rely on memory for that.

  • Temperature: an ordinary fridge, 2 to 8°C (35.6°F to 46.4°F). Not the freezer, not a kitchen cupboard.
  • How long it lasts: around 4 weeks. Anything past 28 days goes in the bin.
  • Light: keep it in the box or in a dark drawer. Light breaks peptides down.
  • Handling: wipe the stopper with an alcohol swab before each draw, use a new needle and do not shake it. Swirl if it needs a mix.
  • Freezing: never freeze a mixed solution. Ice crystals form, and a freeze and thaw cycle costs you potency.
  • Throw it out if: the liquid goes cloudy, changes colour, or you can see particles in it.

The dry powder is much easier to keep. Store it dry and away from light, at room temperature if it is only for a short while, or at -20°C for the long term. Only mix what you are going to use.

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