Frequently Asked Questions

The answers to the questions researchers contact us about most often, all available in one place.

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🛡 Are products batch tested?

Yes. Every batch is independently verified through Janoshik HPLC analysis.

All Thymosin Alpha-1 batches supplied are tested by Janoshik Analytical, an independent peptide-analysis laboratory based in the Czech Republic. Reported purity results consistently exceed 99%.

When a Janoshik analytical report is available for the current production batch, a printed Certificate of Analysis (COA) is included with the order. If a report is not included directly, the verification record is published on our Purity page.

Every COA contains a unique verification reference that can be independently authenticated through Janoshik’s verification system, allowing researchers to confirm testing results directly.

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💧 Reconstitution Guide

Mixing bacteriostatic water with lyophilised powder

Four preparation steps:

1. Clean the vial stopper
Use an alcohol prep wipe supplied with the kit and allow the surface to dry fully.

2. Draw bacteriostatic water
Using an insulin syringe, draw 2 mL of BAC water and insert the needle through the rubber stopper.

3. Add slowly to the vial
Introduce the BAC water gradually down the inside wall of the vial. Avoid spraying directly onto the powder.

4. Dissolve carefully
Gently swirl until the powder has dissolved completely. Do not shake. Allow around 30 seconds for full dissolution before refrigerating.

Use the reconstitution card inside the packaging as a quick reference guide.

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💉 Pen Guide

Dial settings, priming and preparation

Preparing the pen

Attach a new needle
Clean the pen tip using an alcohol wipe, then attach a fresh sterile needle from the supplied packaging.

Prime the pen
Turn the dial by one click, hold the pen with the needle pointing upwards, and press the dose button. A small droplet appearing at the needle tip confirms priming and removes trapped air.

Set the research amount
Each dial click represents a fixed increment according to the pen calibration. The display window shows the total selected amount.

For example, a 6 mg research setting may require approximately 6–12 clicks depending on calibration.

Follow the route described in published research
Published study protocols describe subcutaneous administration sites including the abdomen, thigh, and upper arm. Hold the pen in position for several seconds before removal.

After use

• Dispose of the needle in an appropriate sharps container.
• Replace the pen cap.
• Return the pen to refrigerated storage.

Each pen provides the number of uses shown in the relevant protocol information for the selected size. Once empty, replace the cartridge while continuing to use the same pen body.

Research use only. Procedures are described from published research protocols and do not represent medical or human-use guidance.

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❄ Storage Information

Lyophilised Powder

• Store sealed at 2–8°C
• Protect from direct light
• Stable for 24+ months
• Do not freeze

Reconstituted Solution

• Store refrigerated at 2–8°C
• Typical storage period: approximately 30 days
• Keep in the original glass vial
• Avoid shaking
• Discard if cloudy or discoloured

BAC Water

• Refrigerate after opening
• Use within approximately 30 days

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📍 Administration Information

Route described in published studies

Published research involving Thymosin Alpha-1 has described subcutaneous administration routes, including the abdomen, thigh, and upper arm, within pharmacokinetic and clinical research settings.

Research protocols commonly rotate administration sites between applications to reduce repeated local irritation.

This information is provided only as background from peer-reviewed scientific literature. We do not provide medical advice, human-use protocols, or administration recommendations.

Reference: Goldstein et al. (multiple publications)

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🎯 Research Protocol Information

What amount should researchers use?

The appropriate approach is to follow the research protocol framework provided above.

Published Thymosin Alpha-1 literature commonly evaluates gradual progression through study phases, beginning with lower research stages before advancing over defined intervals.

New researchers

Researchers beginning work with this compound generally review the initial phase before progressing through later protocol stages.

Experienced researchers

Researchers familiar with Thymosin Alpha-1 can use the available phase information to identify the appropriate research stage and compare vial or pen requirements.

Custom research designs

For non-standard protocols, contact our team before ordering. We can help researchers select an appropriate product size based on their planned laboratory schedule.

Research use only. Information is based on published scientific literature and is not medical guidance. Anyone considering human use should consult a qualified healthcare professional.

Reference: Goldstein et al.

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Key Information

Specification	Details
Compound	Thymosin Alpha-1
Research Category	Regenerative Research
Available Sizes	5 mg, 10 mg
Pricing	From £62
Format	Lyophilised powder in sealed vial
Purity	>99% HPLC verified by Janoshik Analytical
Intended Use	In-vitro laboratory research only

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Chemical & Reference Data

Information below is compiled from public databases, including PubChem and UniProt, alongside peer-reviewed scientific literature.

Property	Details
Compound Class	Synthetic acetylated 28-amino-acid peptide derived from prothymosin alpha
Molecular Formula	C₁₂₉H₂₁₅N₃₃O₅₅
Molecular Weight	3108.3 g/mol
CAS Number	62304-98-7
PubChem CID	16130571
Residue Count	28 amino acids
Sequence	Ac-SDAAVDTSSEITTKDLKEKKEVVEEAEN
Research Profile	TLR-9 and immune-signalling related peptide research
Reported Half-life	Approximately 2 hours in human serum
Solubility	Reconstitutes in bacteriostatic water for laboratory use
Lyophilised Storage	2–8°C, stable for 24+ months
Reconstituted Storage	2–8°C, typically used within 14 days
Regulatory Status	Approved as Zadaxin in several countries for specific immunology-related indications

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Research Profile

• 28-amino-acid thymic peptide
• Derived from a fragment of prothymosin alpha
• Studied in immune-cell signalling research models
• Independently purity tested
• Laboratory research use only

Thymosin Alpha-1 is a synthetic peptide identical to a naturally occurring fragment of prothymosin alpha. Scientific literature characterises it as a peptide involved in research examining T-cell and dendritic-cell signalling pathways in preclinical models.

The compound is supplied as a lyophilised powder intended exclusively for laboratory research.

Descriptions above summarise published scientific characterisation and should not be interpreted as claims regarding effects in humans.

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Laboratory Handling

Thymosin Alpha-1 is supplied as a freeze-dried powder inside a sealed glass vial.

For laboratory preparation:

• Add the required amount of diluent slowly down the vial wall.
• Gently swirl until dissolved.
• Do not shake or vortex.
• Store prepared solutions at 2–8°C.

A reconstitution calculator can be used to determine the resulting concentration (mg/mL).

State	Temperature	Typical Stability
Lyophilised	2–8°C or −20°C	Up to 24 months
Reconstituted	2–8°C	Approximately 4–6 weeks

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Purity & Verification

Every Thymosin Alpha-1 batch undergoes independent HPLC verification by Janoshik Analytical.

Where available, the current batch Certificate of Analysis is supplied with the order and includes a unique verification key that can be checked against Janoshik records.

Reported purity consistently exceeds 99%.

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Related Research Compounds

Researchers studying Thymosin Alpha-1 may also investigate related compounds appearing in preclinical literature:

• BPC-157 – Regenerative Research
• TB-500 – Regenerative Research
• Glutathione – Longevity Research