Peptide formulary
TB-500
TB-500 is a synthetic peptide based on an active region of thymosin beta-4, a protein the body produces naturally. Dr. Luria may prescribe it within recovery and flexibility protocols.
A synthetic fragment of thymosin beta-4, studied for its role in cell migration and tissue repair.
Class
Synthetic fragment of thymosin beta-4
Administration
Subcutaneous injection; often a loading phase followed by maintenance dosing
Typical goals
Recovery, flexibility, soft-tissue support
What it is
TB-500, in plain language.
TB-500 is a laboratory-made peptide that corresponds to an active fragment of thymosin beta-4, a naturally occurring protein involved in cell movement and repair. It is prepared as a compounded prescription.
It is most often discussed alongside recovery and flexibility goals, and is sometimes considered in the same conversation as other repair-oriented peptides. Dr. Luria decides whether and how it fits an individual protocol.
As with several peptides in this category, much of the supporting research is preclinical. Dr. Luria reviews that evidence base with you so expectations stay grounded.
Mechanism
How tb-500 works in the body.
Thymosin beta-4 plays a role in regulating actin, a protein central to how cells move, organize, and migrate to sites of repair. TB-500 is studied as a fragment that carries some of that activity.
It is also studied for influence on angiogenesis and on the flexibility of connective tissue, which is why it is often discussed in recovery and mobility contexts.
The mechanism remains an area of active study rather than settled clinical fact. Dr. Luria monitors how you respond and adjusts the protocol over time.
Who it's typically for
The patient profile.
TB-500 is most often considered for adults pursuing recovery, flexibility, and soft-tissue support, usually as one element of a broader, supervised plan rather than on its own.
Dr. Luria evaluates whether it is appropriate for your goals and history, and will say so plainly if it is not.
What patients commonly report
Reported experiences.
Recovery
Patients pursuing recovery goals have reported feeling they recover more comfortably; individual and variable.
Flexibility and mobility
Some patients report improved sense of mobility over weeks of consistent use.
Soft-tissue comfort
Some describe improved day-to-day comfort; develops gradually.
Resilience
Many report a general sense of tolerating training better over time.
Individual response varies. Much of the evidence is preclinical, not every patient experiences every benefit, and timelines differ.
Common questions
TB-500, answered.
Is TB-500 the same as thymosin beta-4?
Is it FDA-approved?
Are there side effects?
Considerations
When tb-500 may not be appropriate.
TB-500 is generally not appropriate during pregnancy or breastfeeding, with active malignancy, or alongside certain medical conditions, and its long-term human safety data are limited. Full evaluation happens in consultation before any protocol is set.
Related reading
Go deeper.
Begin
Is tb-500 right for you?
Book a consultation with Dr. Luria to discuss your goals and whether tb-500 or a different protocol fits your clinical picture.
This article is educational and does not constitute medical advice. Decisions about peptide therapy should be made in consultation with a licensed physician who has reviewed your individual health history. TB-500 is a compounded prescription prepared by Blue Atlas Pharmacy, a licensed 503A compounding pharmacy, under the prescription of Dr. Jamie Luria. Compounded medications are not FDA-approved for safety, efficacy, or quality.