Awaiting FDA Reclassification

TB-500 Therapy

Advanced Muscle & Joint Recovery

TB-500 is a synthetic fragment of Thymosin Beta-4, a naturally occurring protein involved in cell migration, blood vessel formation, and tissue repair. It's one of the most promising peptides for musculoskeletal recovery.

Pending FDA Reclassification

TB-500 is currently classified as a Category 2 peptide by the FDA, meaning it cannot yet be compounded by US pharmacies for patient use. In February 2026, HHS signaled intent to reclassify up to 14 peptides back to Category 1 — which would allow licensed compounding pharmacies to prepare them under physician prescription. We are closely monitoring this process.

Be First in Line for TB-500

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Why TB-500?

What the research says about Thymosin Beta-4 Fragment

M

Muscle Repair & Flexibility

TB-500 promotes cell migration to injured areas and supports the formation of new blood vessels, potentially accelerating muscle recovery and improving flexibility.

J

Joint & Tendon Support

Research suggests TB-500 may help repair damaged connective tissue, making it relevant for chronic joint pain and tendon injuries.

R

Reduced Inflammation

Studies indicate TB-500 can modulate inflammatory responses, helping the body recover faster from both acute injuries and chronic conditions.

C

Cardiovascular Support

Early research points to potential benefits for heart tissue repair and improved blood flow through angiogenesis (new blood vessel formation).

Who is TB-500 For?

Athletes dealing with muscle or tendon injuries, individuals with chronic joint pain, and those seeking faster post-exercise recovery.

Don't Miss the Window

When TB-500 becomes available, demand will be high. Get on the waitlist now to secure early access to physician-guided therapy through Zelvimed.

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