🌱Emerging

Thymulin

Also known as: Serum Thymic Factor, FTS, Facteur Thymique Sérique

Immune SupportAnti-AgingHealth
Not FDA Approved

Primary recreational use: Immune modulation and inflammation management

What is Thymulin?

Thymulin is a zinc-dependent peptide hormone produced by thymic epithelial cells, first characterized in 1977. It is primarily used for immune modulation and anti-inflammatory purposes, showing promise in conditions like age-related immune dysfunction and neuropathic pain. While it is not FDA-approved, thymulin is explored for varied therapeutic applications. Key concerns include the requirement of zinc for its activity and the lack of extensive human clinical data.

Primary Benefits

Enhances immune function. Reduces inflammation. Potential neuroprotective effects.

How It Works

Thymulin binds to high-affinity T-cell receptors, inducing T-cell differentiation, regulating NK cell activity, and enhancing suppressor T-cell functions. Its anti-inflammatory effects are mediated through the inhibition of NF-κB and p38 MAPK pathways, reducing pro-inflammatory cytokine production.

Safety Tips

Precautions reported in community discussions and literature. This is not a complete list.

  • 1.DON'T use without ensuring adequate zinc supplementation.
  • 2.DON'T exceed recommended dosage without professional advice.
  • 3.DON'T store reconstituted solution beyond 7-10 days.
  • 4.DON'T ignore signs of severe allergic reaction.
  • 5.AVOID sharing needles or vials.

Who Should NOT Use

  • Zinc deficiency
  • Allergy to peptide components

Use Contexts

Different purposes have different protocols, dosing, and considerations

🔬Investigational

Immune modulation

limited evidence

Research into thymulin's ability to enhance immune function in conditions like immunosenescence and chronic inflammation.

Evidence: Studies suggest immune enhancement and T-cell activity improvement.

The following are ranges reported in published literature and community discussions. These are NOT recommendations or medical advice.

Reported Range
1-5 mg
Reported Frequency
once daily
Reported Cycle
5-10 days
Reported Route
Subcutaneous

Timing: Consistent daily scheduling

Notes: Ensure zinc supplementation for activity

Community-Reported Protocols

Not recommendations: The following protocols are compiled from online communities and published literature. Pepbase does not endorse, recommend, or verify these protocols. They are provided for informational purposes only. Individual responses vary significantly. Consult a licensed medical professional before any use.

Reported GoalReported DoseReported FrequencyReported Route
Anecdotal human protocol1-5 mgonce dailySubcutaneous injection

Pharmacokinetics

Half-Life
10 min
Time to Peak
15 min
Clearance
~51 min

Reported Side Effects

This is not a complete list. Other side effects may occur.

Common
Injection site irritationreported (frequency unknown)
Temporary fatiguereported (frequency unknown)
Serious / Rare
  • Allergic reactions
Injection-Specific Warnings
  • Use sterile technique to avoid infections.

Storage

Temperature
-20°C
Reconstituted
2-8°C
Shelf Life
7-10 days
Light Sensitive
No
🔬Investigational

Anti-inflammatory and pain relief

moderate evidence

Exploration of thymulin's role in reducing inflammation and providing analgesic effects in pain models.

Evidence: Animal studies showing reduced inflammation and pain responses.

The following are ranges reported in published literature and community discussions. These are NOT recommendations or medical advice.

Reported Range
1-5 mg
Reported Frequency
once daily
Reported Cycle
5-10 days
Reported Route
Subcutaneous

Timing: Prior to anticipated inflammation if possible

Notes: Monitor for inflammation reduction

Community-Reported Protocols

Not recommendations: The following protocols are compiled from online communities and published literature. Pepbase does not endorse, recommend, or verify these protocols. They are provided for informational purposes only. Individual responses vary significantly. Consult a licensed medical professional before any use.

Reported GoalReported DoseReported FrequencyReported Route
Pain and inflammation1-5 mgonce dailySubcutaneous injection

Pharmacokinetics

Half-Life
10 min
Time to Peak
15 min
Clearance
~51 min

Reported Side Effects

This is not a complete list. Other side effects may occur.

Common
Injection site irritationreported (frequency unknown)
Temporary fatiguereported (frequency unknown)
Serious / Rare
  • Allergic reactions
Injection-Specific Warnings
  • Use sterile technique to avoid infections.

Storage

Temperature
-20°C
Reconstituted
2-8°C
Shelf Life
7-10 days
Light Sensitive
No

Harm Reduction Information

Quality Concerns

  • Ensure zinc-bound form for biological activity
  • Verify peptide identity and purity with third-party testing

Safety Tips

  • Maintain sterile injection practices
  • Begin with low doses to assess response

Warning Signs to Stop

  • Severe allergic reactions
  • Unexpected immunosuppressive symptoms

Seek Medical Help Immediately If

  • Anaphylactic symptoms
  • Severe injection site reactions

Frequently Asked Questions

Common questions about Thymulin

How long until I see effects?

Thymulin effects vary; some users report reduced inflammation and improved energy within 1-2 weeks.

What time of day should I take it?

Thymulin does not have a specific recommended timing, but consistent daily administration is suggested.

How can I minimize side effects?

To minimize side effects with Thymulin, ensure proper zinc supplementation and follow sterile injection practices.

Does tolerance develop?

No evidence suggests significant tolerance development with Thymulin when used appropriately.

How should I store it?

Store lyophilized Thymulin at -20°C and reconstituted solution at 2-8°C, using it within 7-10 days.

Do I need to cycle it?

Cycling Thymulin with monthly to quarterly breaks may be beneficial, based on anecdotal evidence.

Reported Combinations

Compounds reported to be used alongside Thymulin in community discussions

investigational

Thymosin Alpha-1

Commonly combined for enhanced immune modulation

investigational

Thymosin Beta-4

Synergistic for inflammation reduction

investigational

BPC-157

Enhances tissue healing effects

Reported Interactions

Interactions reported in literature and community discussions.

NSAIDsmoderate

Monitor combination due to interaction with immune modulation.

Corticosteroidsminor

Possible increased modulation effects.

Epitalonminor

No significant interactions reported.

Thymosin Alpha-1minor

Typically compatible, both enhance immune function.

Vitamin Dminor

Generally safe to use together.

Reconstitution Calculator

mL
U100 insulin syringe01020304050607080901001mL

100 units = 1 mL

Safety Tips

  • Always consult a licensed medical professional for dosing and reconstitution instructions.
  • Always double check your units. Mixing up mg and mcg can be very dangerous.
  • Make sure to select your syringe type. U-100 and U-50 syringes have different units.
  • Ensure you're not adding more BAC than your vial can hold. Most vials have maximum capacities listed.

This calculator is for informational and educational purposes only. It does not provide medical advice, dosing recommendations, or safety determinations. Reference ranges shown are compiled from publicly available sources and are not a substitute for guidance from a licensed healthcare professional.

Explore More Research

Browse our database of peptide research information compiled from published literature and community sources.

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Citations

Last updated: October 2, 2023

Important Disclaimer

AI-Generated Content Notice

The information on this page has been compiled using artificial intelligence (AI) and large language model (LLM) technology from multiple sources including published literature, online communities, and public databases. This content may contain errors, inaccuracies, outdated information, or omissions. We make no guarantees regarding the accuracy, completeness, or reliability of any information presented. You are solely responsible for independently verifying any information before relying on it.

Not Medical Advice

Nothing on this website constitutes medical advice, diagnosis, or treatment recommendations. The information provided is for educational and harm-reduction purposes only. We do not provide individualized dosing guidance or treatment recommendations. Protocols and dosing information shown represent reports from community discussions and published literature—they are not endorsements or recommendations. Always consult with a licensed healthcare professional before making any health-related decisions.

No Endorsement of Use

Pepbase does not endorse, encourage, or recommend the use of any peptide or substance discussed on this website. Many compounds discussed are not approved for human use by the FDA or other regulatory agencies. Some substances may be illegal to possess, sell, or use in your jurisdiction. We do not facilitate or encourage the procurement, distribution, or use of controlled or prescription-only substances. Users are solely responsible for understanding and complying with all applicable laws in their jurisdiction.

Calculators and Tools

Any calculators, estimators, or tools provided on this website are for informational purposes only and produce estimates that may be inaccurate. Errors in calculations can result in serious harm. You are solely responsible for verifying all calculations independently. These tools do not account for individual factors that may affect dosing and should never be relied upon as a substitute for professional medical guidance.

Assumption of Risk

By using this website, you acknowledge that you understand the risks associated with using unregulated substances and that you assume full responsibility for your own health decisions. Pepbase, its creators, contributors, and affiliates disclaim all liability for any harm, injury, or damages arising from the use or misuse of information on this website. Use of any information on this site is entirely at your own risk.

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