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TB-500 is a synthetic 17-amino-acid fragment of Thymosin Beta-4 (TB4) , a 43-amino-acid actin-binding protein (molecular weight ~4,963 Da) present in nearly all human cells except red blood cells
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Lot-Specific COA Traceability Every lot number can be matched to a unique, third-party verified Certificate of Analysis confirming exact composition and purity data
A lower price does not always mean better value if the support and guidance are limited
What TB-500 Is and Why the Dosage Protocol Matters TB-500 is the synthetic fragment of Thymosin Beta-4, a protein that the body naturally produces in response to tissue injury
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