Thymosin alpha-1 is a peptide of 28 amino acids that was originally isolated from the thymus, the gland behind the breastbone where T cells mature. Its generic drug name is thymalfasin. Unlike peptides marketed mainly for physique or recovery goals, its documented activity is immune modulation, meaning it influences how immune cells respond rather than simply stimulating or suppressing them.
That mechanism is the reason it has been studied across a wide range of conditions, including chronic hepatitis B and C, certain cancers, sepsis, and severe respiratory infection. It is one of the more thoroughly characterized peptides in this category.
Patients and providers most often turn to Thymosin Alpha-1 for these benefits:
Individual results vary. Ask your provider whether Thymosin Alpha-1 fits your goals and health history.
Body Works Franklin
1113 Murfreesboro Rd Suite 307
Franklin, TN 37064
(615) 790-2548
By appointment Monday through Friday
Body Works Nolensville
210 Burkitt Commons Ave
Nolensville, TN 37135
(615) 941-1000
By appointment Monday through Friday
Thymosin alpha-1, generic name thymalfasin, is a 28 amino acid peptide originally isolated from the thymus that modulates immune response. Internationally it has been studied and used in chronic hepatitis B and C, certain cancers, sepsis, and severe respiratory infections. Its role is immune modulation rather than simple stimulation.
They are different molecules despite similar names. Thymosin alpha-1 is a 28 amino acid immune-modulating peptide. TB-500 is a fragment of thymosin beta-4, a protein involved in cell migration and tissue repair through its effect on actin. Ask your provider which of the two fits your goals.
Thymosin alpha-1 is discussed at Body Works as an investigational compound in the United States rather than offered as a standard service. If immune resilience is your goal, a consultation in Franklin or Nolensville is the place to start, and your provider will focus first on the contributors that can actually be measured and corrected.

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