Thymulin_
A thymus peptide studied for immune balance and calming inflammation.
Common vial size is what vendors typically sell, not a recommendation. Enter your own vial in the calculator.
What is Thymulin?
Plain language first. The technical label stays, but it never stands alone.Overview
Thymulin is a zinc-dependent thymus peptide involved in immune-cell maturation. In plain terms: it is studied for balancing immune function and calming inflammation and pain, with limited human data.
What it's used for
A thymus peptide studied for balancing immune function and calming inflammation and pain.
How does Thymulin work?
What it does in the body, and where.Thymulin only works when bound to zinc. Without it the molecule is inactive, which makes it unusual and makes zinc status directly relevant.
- 01It requires zinc to become activeThe peptide and the mineral together form the working molecule.
- 02It helps immune cells matureParticularly T cells, in the thymus.
- 03It has shown pain and inflammation effects in animalsSeparate from its immune role, and the reason for some of the current interest.
- 04Human data is limitedMostly observational work on declining levels with age.
A schematic of the compound's mechanism, not a diagnostic image.
What else is it used for?
Each use below carries its own evidence level. Approved means regulators have cleared it for that purpose. Investigational means it is in trials. Early research means it is being studied and is not established.
- Immune balance and calming inflammationResearch only
- Pain reductionResearch only
How much, and do you cycle it?
The range, and whether you take breaks.1 mg per dose, daily/weekly. No established scheduleNo range
No published study has established how long to take this or whether a break is needed. Schedules quoted online come from vendors and forums, and different sources disagree.
How do I dose and price it?
Enter your vial and your dose. Pick a mix. We show the draw and the cost.The vial holds a fixed amount of drug. Adding more water does not make more drug, it just spreads it thinner, so you draw a bigger number on the syringe for the same dose.
Choose your mix
Measuring the water1 mL = one full 100-unit syringe.
Your draw
20 / 100 unitsHow do you store it?
Before mixing, and after.Dry powder in the freezer or fridge. Once mixed, fridge, and use within about a month.
Unmixed lyophilized Thymulin keeps for a long time cold. Once you add water the clock starts: most reconstituted vials hold up for roughly 28 to 30 days at fridge temperature. Keep it out of light, and do not freeze it after mixing.
What are the side effects and cautions?
Known cautions and warnings for this compound.Who should avoid it
- No controlled human safety trials exist
- Pregnancy
Stop and get help
- Signs of an allergic reaction
- Anything unusual, given the absence of human data
Common effects
- Unknown in humans. Studied mainly in laboratory and animal settings
Where this page says nothing is established, that means nobody has studied it, not that a compound is safe.
Is Thymulin approved?
And where the numbers on this page come from.No. Not FDA-approved.
Sold for research use only. Not cleared for human consumption or medical use.
- DoseFrom research and community reports. No regulator has reviewed this dose.
- Vial sizeFrom what vendors typically list; not a recommendation.
- Reviewed22 July 2026
What else is like Thymulin?
Others in Immune support, side by side.If you're weighing Thymulin, it's worth reading Thymalin, Vilon, and Glutathione in the same class.
A thymus peptide studied for immune balance and calming inflammation.
- Dose
- 1 mg per dose
- How often
- Daily/weekly
A thymus peptide taken in courses to refresh immune function and aging.
- Dose
- 5 up to 10 mg per day (start low, increase slowly)
- How often
- 10-day courses
A tiny bioregulator taken in courses for immunity and aging, with thin evidence.
- Dose
- Varies (course-based)
- How often
- Courses
Your body's master antioxidant, taken for glowing skin and detox support.
- Dose
- 250 up to 1000 mg per day (start low, increase slowly)
- How often
- Daily (oral)
10What these words mean
Show glossary +
What these words mean
- Titrate
- Starting at a low dose and increasing it slowly over time so your body adjusts and side effects stay mild.
- Subcutaneous
- An injection just under the skin, into the fat layer, usually with a short, thin insulin needle.
- Intramuscular (IM)
- An injection into a muscle, using a longer needle.
- Reconstitution
- Mixing a powdered peptide with liquid (bacteriostatic water) so it can be drawn into a syringe.
- Bacteriostatic water
- Sterile water with a tiny amount of preservative, used to mix powdered peptides.
- Concentration
- How strong the mixed peptide is, in milligrams per milliliter (mg/mL). More water makes it weaker; less water makes it stronger.
- Units (on the syringe)
- The marks on an insulin syringe. 100 units equals 1 mL. They measure how much liquid you draw, not the dose in milligrams.
- mcg and mg
- Units of dose. 1 milligram (mg) equals 1,000 micrograms (mcg).
- GLP-1
- A natural gut hormone that lowers appetite and blood sugar. Drugs that copy it, like semaglutide, are used for weight loss.
- Growth hormone secretagogue
- A compound that nudges your body to release more of its own growth hormone, rather than injecting the hormone itself.
- Half-life
- How long a compound stays active in your body. A longer half-life means you inject less often.
- Peptide vs small molecule
- A peptide is a short chain of amino acids. A few items here (like MK-677 or methylene blue) are small molecules, not true peptides, but people use them the same way.
- Research only
- No approved dose or use in people. Sold for research and not reviewed by the FDA for safety or quality.
- Investigational
- Still being tested in clinical trials and not yet approved or legally sold for general use.
- Banned in drug-tested sport
- Prohibited by the World Anti-Doping Agency (WADA); using it can disqualify a competing athlete.
Last reviewed 22 July 2026