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Steel Bison LLC makes no representations or warranties that its products are suitable for human or animal consumption, and they are not intended to diagnose, treat, cure, or prevent any disease or medical condition

But there is some skepticism as well

At its heart, it's a special complex where a small protein fragment, a peptide, is bonded to a copper ion

TB-500 Scientific Description TB-500 is a synthetic peptide based on a naturally occurring active region of thymosin beta-4, a 43-amino acid protein widely present in animal and human cells
10.1016/j.bcp.2024.116250 206 ZhangJ

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