Thymulin Prices

Also known as FTS; Facteur Thymique Serique; Serum thymic factor

6 listings from 5 vendors, normalised to one honest price per milligram.

Cheapest per mg
$2.81/mg
At
Lux Peptides
Vendors
5
Verified COA from
$6.50/mg

Thymulin price per mg by vendor

Prices last collected October 4, 2026. Prices change often - check the vendor's site before ordering.

Choose a size to compare vendor prices.

Thymulin

FTS; Facteur Thymique Serique; Serum thymic factor

Immune5 vendors · 6 listings
Size
BioLongevity Labs Verified COA
In stockcopy code for 15% off
$64.97
$55.22
$5.52/mg
Deal
In stock
$28.09
$2.81/mg
View
Southern Aminos Verified COA
In stock
$100.00
$10.00/mg
View
All 10mg prices shown

Mixing Thymulin

What each amount of water produces at this vial size. Educational reference, not a recommendation.

1 mL10.00 mg/mL5 mg = 50 units
0.5 mL20.00 mg/mL5 mg = 25 units
0.75 mL13.33 mg/mL5 mg = 37.5 units

Vial sizes are the ones vendors list for Thymulin. Syringe marks assume a 5 mg dose on a U-100 syringe, taken from this compound's reference range. Work out any other combination in the reconstitution calculator.

About Thymulin

What it is
Thymulin, historically called serum thymic factor, is a nonapeptide produced by the thymus that requires bound zinc to become biologically active. It helps drive T-cell maturation and modulates immune and inflammatory signaling, and its activity falls with age and zinc deficiency. Thymulin is not approved by the FDA and remains a research compound, with most human data involving indirect restoration through zinc.
How it works
It is a zinc-dependent thymic nonapeptide that promotes T-cell differentiation and modulates cytokine and neuroendocrine signaling.
Researched for
Immune aging; T-cell maturation; neuroinflammation research; immunodeficiency research
Half-life
Not established in humans
Familiarity
Advanced
Research evidence
Human trials - early or small
Regulatory status
Preclinical
Key risk
None documented

Disclosure. Some vendors above are Peptul partners and pay us a commission when you buy through our link. Rows are ordered by: Peptul partners first, then what is in stock, then single vials before multi-vial packs, then price per milligram. Paying us moves a vendor up this order and changes nothing else - not their trust tier, COA badge, Peptul Score or reviews, which come from evidence and are worked out the same way for everyone. Available discount codes are shown beside the prices above. Discounted prices require the displayed code where indicated.

For educational and research purposes only. Not medical advice. Always consult a qualified healthcare provider before using any research compound.