Thymulin Price Comparison — Compare 1 Vendors

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Immune-support and immunosenescence researchSafety Rating 6/10

Price Comparison

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Prices for Thymulin by vendor
VendorPrice$ / 10mgUpdatedActions
Pantheon Peptides6/10$38.88$43.20−10% · code PEPTIDEPRICES10$38.88Checked apr 23, 2026Apr 23, 2026Buy Thymulin from Pantheon Peptides

Research details

Thymulin — research data

Research-literature reference data, NOT patient instructions. Not for human use. Consult a licensed clinician for any human application.

Research dose rangeNo established or FDA-approved human dose. Because thymulin has a very short circulating half-life, most research interest is in supporting the body's own production via adequate zinc rather than injecting the peptide. Animal studies use microgram-range parenteral dosing. Research-use only.
AdministrationSubcutaneous injection
Safety6/10 · Not FDA-approved
NCAA D1Unclear

Overview

About Thymulin

Mechanism of action

Nonapeptide thymic hormone secreted by thymic epithelial cells; its biological activity is strictly zinc-dependent (zinc must be bound for the peptide to be active). Promotes T-cell differentiation and NK-cell development and helps balance cytokine signaling; in animal models it sensitizes end-organs to hormone signaling (e.g. greater target-hormone output when combined with ACTH or hCG). Falling thymulin activity is among the earliest measurable markers of zinc deficiency, before serum or red-cell zinc drop.

Safety profile

Human safety data is sparse. Activity is strictly zinc-dependent, so effects are inseparable from zinc status. Generally low reported toxicity in animal models, but it should be treated as experimental. Research-use only; not for human consumption. · Endogenous zinc-dependent thymic nonapeptide (FTS); low toxicity in animal models and a benign physiologic profile, but human safety/PK data is sparse and there is no established dose. Activity is inseparable from zinc status; treat as experimental.

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Research

Studies & key findings

  • Thymulin is a zinc-dependent nonapeptide thymic hormone (also called FTS, facteur thymique sérique). Its biological activity REQUIRES bound zinc — without zinc the peptide is inactive — and declining thymulin activity is one of the earliest measurable markers of zinc deficiency, appearing before serum or red-cell zinc fall.
  • It promotes T-cell differentiation and NK-cell development and helps balance cytokine signaling. In animal models it 'sensitizes' end-organs to hormone signaling (e.g. greater target-hormone output when paired with ACTH or hCG), forming a link between immune status and the endocrine system.

4 peer-reviewed sources cited — clinical, preclinical, and regulatory.

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